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Let’s check out your problem:
There are
3
3
3
consecutive
integers
with a sum of
39
39
39
. Which integers are they?
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Math Problems
Algebra 1
Consecutive integer problems
Full solution
Q.
There are
3
3
3
consecutive integers with a sum of
39
39
39
. Which integers are they?
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_
_
\_\_\_\_\_
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_____
,
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Define Integers:
Let
x
x
x
be the first integer. The three consecutive integers can be represented as
x
x
x
,
x
+
1
x+1
x
+
1
, and
x
+
2
x+2
x
+
2
.
Set Up Equation:
Set up the equation to represent the sum of the three consecutive integers equal to
39
39
39
:
x
+
(
x
+
1
)
+
(
x
+
2
)
=
39
x + (x+1) + (x+2) = 39
x
+
(
x
+
1
)
+
(
x
+
2
)
=
39
.
Simplify Equation:
Simplify the equation:
x
+
x
+
1
+
x
+
2
=
39
x + x + 1 + x + 2 = 39
x
+
x
+
1
+
x
+
2
=
39
. Combine like terms:
3
x
+
3
=
39
3x + 3 = 39
3
x
+
3
=
39
.
Isolate Variable Term:
Isolate the variable term by subtracting
3
3
3
from both sides of the equation:
3
x
+
3
−
3
=
39
−
3
3x + 3 - 3 = 39 - 3
3
x
+
3
−
3
=
39
−
3
, which simplifies to
3
x
=
36
3x = 36
3
x
=
36
.
Divide to Solve:
Divide both sides of the equation by
3
3
3
to solve for
x
x
x
:
3
x
3
=
36
3
\frac{3x}{3} = \frac{36}{3}
3
3
x
=
3
36
, which simplifies to
x
=
12
x = 12
x
=
12
.
Find Consecutive Integers:
Now that we have the value of
x
x
x
, we can find the three consecutive integers:
x
=
12
x = 12
x
=
12
,
x
+
1
=
13
x+1 = 13
x
+
1
=
13
, and
x
+
2
=
14
x+2 = 14
x
+
2
=
14
.
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4
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x
=
12
(\frac{3}{4})x= 12
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)
x
=
12
\newline
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=
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x
=
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5
x
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7
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x
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z
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7
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z
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7
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−
2
z
+
10
+
7
z
=
16
z
+
7
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1
1
answer:
\newline
(A) No solutions
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(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?
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7
(
y
−
8
)
=
7
y
+
42
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
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−
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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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
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−
4
x
−
7
+
10
x
=
−
7
+
6
x
\newline
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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
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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
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1
1
1
answer:
\newline
(A) No solutions
\newline
(B) Exactly one solution
\newline
(C) Infinitely many solutions
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