AnswersAZ-Intermediate Algebra A MA311Solving Linear Equations: Variable on One Side

Solving Linear Equations: Variable on One Side Answers

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Consider the equation 3p – 7 + p = 13. What is the resulting equation after the first step in the solution?

A
p – 7 = 13 – 3p
B
2p – 7 = 13
C
3p – 7 = 13 – p
D
4p – 7 = 13
2
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Mustafa’s soccer team is planning a school dance as a fundraiser. The DJ charges $200 and decorations cost $100. The team decides to charge each student $5.00 to attend the dance. If n represents the number of students attending the dance, which equation can be used to find the number of students needed to make $1,500 in profit?

A
5n – 300 = 1,500
B
5n + 300 = 1,500
C
5n – 200 + 100n = 1,500
D
5n – 100 – 200n = 1,500
3

A number, n, is added to 15 less than 3 times itself. The result is 101. Which equation can be used to find the value of n?

A
3n – 15 + n = 101
B
3n + 15 + n = 101
C
3n – 15 – n = 101
D
3n + 15 – n = 101
4

Rahul solved the equation 2(x – ) – x = . In which step did he use the addition property of equality?

Question illustration
A
Step 1
B
Step 2
C
Step 3
D
Step 4
5

What are the possible steps involved in solving the equation shown? Select three options.3.5 + 1.2(6.3 – 7x) = 9.38

A
Add 3.5 and 1.2.
B
Distribute 1.2 to 6.3 and –7x .
C
Combine 6.3 and –7x .
D
Combine 3.5 and 7.56.
E
Subtract 11.06 from both sides.
6

Consider the functions shown on the graph.

Question illustration
A
0.0
B
0.5
C
1.5
D
3.0
7

A coordinate grid with 2 lines. One line, labeled f(x) passing through (negative 3, 3), (0, 3), and the point (4, 3). The other line is labeled g(x) and passes through (negative 4, negative 3), (0, 0), and the point (4, 3).

Question illustration
A
x = −1
B
x = 0
C
x = 3
D
x = 4
8

A coordinate grid with 2 lines. One line, labeled f(x) passing through (negative 4, 3), the point (negative 2, 1) and (0, negative 1). The other line is labeled g(x) and passes through (negative 4, negative 1), the point (negative 2, 1) and (0, 3).

Question illustration
A
x = −3
B
x = −2
C
x = −1
D
x = 3
9

Solve the equation.−10x + 1 + 7x = 37

A
x = −15
B
x = −12
C
x = 12
D
x = 15
10

Sean began jogging to live a healthier lifestyle. On his first run, he ran one-half mile. He increased his workouts by adding two miles a month to his run. He wrote the equation f(x)= 0.5 + 2x to model his progress. The variable x represents the number of

A
miles he runs.
B
months he runs.
C
miles he ran the first day.
D
calories he burns.

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