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Math Problems
Algebra 1
Solve one-step linear equations
Find the value of
x
x
x
in the equation below.
\newline
x
−
8.1
=
19.9
x-8.1=19.9
x
−
8.1
=
19.9
\newline
Answer:
x
=
x=
x
=
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Find the value of
x
x
x
in the equation below.
\newline
x
−
19.1
=
13.3
x-19.1=13.3
x
−
19.1
=
13.3
\newline
Answer:
x
=
x=
x
=
Get tutor help
Katy tried to solve an equation step by step.
\newline
r
−
3
=
14.3
r-3=14.3
r
−
3
=
14.3
\newline
r
−
3
+
3
=
14.3
−
3
r-3+3=14.3-3 \quad
r
−
3
+
3
=
14.3
−
3
Step
1
1
1
\newline
r
=
11.3
r=11.3 \quad
r
=
11.3
Step
2
2
2
\newline
Find Katy's mistake?
\newline
Choose
1
1
1
answer:
\newline
(A) Step
1
1
1
\newline
(B) Step
2
2
2
\newline
(C) Katy did not make a mistake
Get tutor help
Katy tried to solve an equation step by step.
\newline
r
−
3
=
14.3
r-3=14.3
r
−
3
=
14.3
\newline
r
−
3
+
3
=
14.3
−
3
r-3+3=14.3-3 \quad
r
−
3
+
3
=
14.3
−
3
Step
1
1
1
\newline
r
=
11.3
r=11.3 \quad
r
=
11.3
Step
2
2
2
\newline
Find Katy's mistake?
\newline
Choose
1
1
1
answer:
\newline
(A) Step
1
1
1
\newline
(B) Step
2
2
2
\newline
(C) Katy did not make a mistake
Get tutor help
Solve for
x
x
x
:
\newline
−
18.43
=
3.99
+
x
-18.43=3.99+x
−
18.43
=
3.99
+
x
\newline
x
=
x=
x
=
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Solve for
w
w
w
.
\newline
4
=
0.25
(
w
−
4.3
)
4=0.25(w-4.3)
4
=
0.25
(
w
−
4.3
)
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Solve for
r
r
r
.
\newline
0.5
(
r
+
2.75
)
=
3
0.5(r+2.75)=3
0.5
(
r
+
2.75
)
=
3
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Solve the equation.
\newline
1.25
=
0.75
+
r
1.25=0.75+r
1.25
=
0.75
+
r
\newline
r
=
r=
r
=
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What is the slope of the line?
\newline
6
x
+
10
y
=
8
6x+10y=8
6
x
+
10
y
=
8
\newline
Choose
1
1
1
answer:
\newline
(A)
−
5
4
-\frac{5}{4}
−
4
5
\newline
(B)
−
4
5
-\frac{4}{5}
−
5
4
\newline
(C)
−
3
5
-\frac{3}{5}
−
5
3
\newline
(D)
−
3
4
-\frac{3}{4}
−
4
3
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0.235
+
8.34
=
0.235+8.34=
0.235
+
8.34
=
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2
2
2
.
888
888
888
+
42
42
42
=
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20.951
+
1.01
=
20.951+1.01=
20.951
+
1.01
=
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0.626
+
3.46
=
0.626+3.46=
0.626
+
3.46
=
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28.2
×
4.42
=
28.2 \times 4.42=
28.2
×
4.42
=
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Evaluate.
\newline
35
−
4.016
=
35-4.016=
35
−
4.016
=
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Evaluate.
\newline
25.246
−
1.85
=
25.246-1.85=
25.246
−
1.85
=
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Evaluate.
\newline
37.287
−
15
=
37.287-15=
37.287
−
15
=
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0.847
×
3.54
=
0.847 \times 3.54=
0.847
×
3.54
=
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