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Let’s check out your problem:
Solve for
n
n
n
.
\newline
2
n
+
20
+
14
n
=
−
19
+
13
n
2n + 20 + 14n = -19 + 13n
2
n
+
20
+
14
n
=
−
19
+
13
n
\newline
n
=
n =
n
=
__
View step-by-step help
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Math Problems
Algebra 1
Solve linear equations: mixed review
Full solution
Q.
Solve for
n
n
n
.
\newline
2
n
+
20
+
14
n
=
−
19
+
13
n
2n + 20 + 14n = -19 + 13n
2
n
+
20
+
14
n
=
−
19
+
13
n
\newline
n
=
n =
n
=
__
Combine like terms:
Combine like terms on the left side of the equation.
\newline
2
n
+
20
+
14
n
=
−
19
+
13
n
2n + 20 + 14n = -19 + 13n
2
n
+
20
+
14
n
=
−
19
+
13
n
\newline
(
2
n
+
14
n
)
+
20
=
−
19
+
13
n
(2n + 14n) + 20 = -19 + 13n
(
2
n
+
14
n
)
+
20
=
−
19
+
13
n
\newline
16
n
+
20
=
−
19
+
13
n
16n + 20 = -19 + 13n
16
n
+
20
=
−
19
+
13
n
Subtract to isolate
n
n
n
:
Subtract
13
n
13n
13
n
from both sides to get all the
n
n
n
terms on one side.
\newline
16
n
+
20
−
13
n
=
−
19
+
13
n
−
13
n
16n + 20 - 13n = -19 + 13n - 13n
16
n
+
20
−
13
n
=
−
19
+
13
n
−
13
n
\newline
(
16
n
−
13
n
)
+
20
=
−
19
(16n - 13n) + 20 = -19
(
16
n
−
13
n
)
+
20
=
−
19
\newline
3
n
+
20
=
−
19
3n + 20 = -19
3
n
+
20
=
−
19
Subtract to solve for n:
Subtract
20
20
20
from both sides to isolate the term with
n
n
n
.
\newline
3
n
+
20
−
20
=
−
19
−
20
3n + 20 - 20 = -19 - 20
3
n
+
20
−
20
=
−
19
−
20
\newline
3
n
=
−
39
3n = -39
3
n
=
−
39
Divide to find
n
n
n
:
Divide both sides by
3
3
3
to solve for
n
n
n
.
3
n
3
=
−
39
3
\frac{3n}{3} = \frac{-39}{3}
3
3
n
=
3
−
39
n
=
−
13
n = -13
n
=
−
13
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Question
Solve for x.
\newline
(
3
4
)
x
=
12
(\frac{3}{4})x= 12
(
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)
x
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12
\newline
x
=
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=
______
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\newline
−
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\newline
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\newline
5
x
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7
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5
x
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\newline
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\newline
(A) No solutions
\newline
(B) Exactly one solution
\newline
(C) Infinitely many solutions
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−
2
z
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10
+
7
z
=
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z
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7
\newline
Choose
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answer:
\newline
(A) No solutions
\newline
(B) Exactly one solution
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(C) Infinitely many solutions
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Question
How many solutions does the following equation have?
\newline
7
(
y
−
8
)
=
7
y
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7(y-8)=7y+42
7
(
y
−
8
)
=
7
y
+
42
\newline
Choose
1
1
1
answer:
\newline
(A) No solutions
\newline
(B) Exactly one solution
\newline
(C) Infinitely many solutions
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Question
How many solutions does the following equation have?
\newline
−
9
(
x
+
6
)
=
−
9
x
+
108
-9(x+6)=-9x+108
−
9
(
x
+
6
)
=
−
9
x
+
108
\newline
Choose
1
1
1
answer:
\newline
(A) No solutions
\newline
(B) Exactly one solution
\newline
(C) Infinitely many solutions
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Question
How many solutions does the following equation have?
\newline
−
6
(
x
+
7
)
=
−
4
x
−
2
-6(x+7)=-4x-2
−
6
(
x
+
7
)
=
−
4
x
−
2
\newline
Choose
1
1
1
answer:
\newline
(A) No solutions
\newline
(B) Exactly one solution
\newline
(C) Infinitely many solutions
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Question
How many solutions does the following equation have?
\newline
−
4
x
−
7
+
10
x
=
−
7
+
6
x
-4x-7+10x=-7+6x
−
4
x
−
7
+
10
x
=
−
7
+
6
x
\newline
Choose
1
1
1
answer:
\newline
(A) No solutions
\newline
(B) Exactly one solution
\newline
(C) Infinitely many solutions
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Question
How many solutions does the following equation have?
\newline
−
17
(
y
−
2
)
=
−
17
y
+
64
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−
17
(
y
−
2
)
=
−
17
y
+
64
\newline
Choose
1
1
1
answer:
\newline
(A) No solutions
\newline
(B) Exactly one solution
\newline
(C) Infinitely many solutions
Get tutor help
Posted 1 year ago
Question
How many solutions does the following equation have?
\newline
9
z
−
6
+
7
z
=
16
z
−
6
9z-6+7z=16z-6
9
z
−
6
+
7
z
=
16
z
−
6
\newline
Choose
1
1
1
answer:
\newline
(A) No solutions
\newline
(B) Exactly one solution
\newline
(C) Infinitely many solutions
Get tutor help
Posted 1 year ago
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