Solving One-Step Equations: Addition and Subtraction

Question 1

Which steps would you use to solve this equation? Check all that apply.p + 7 = 12

Revolt · Accepted Answer

Subtract 7 from both sides of the equation.; 7 – 7 = 0 and 12 – 7 = 5, so p = 5.; Substitute 5 for p to check the solution.

Question 2

The solution of the equation is .

Revolt · Accepted Answer

g = 22

Question 3

Check the solution by substituting for g and simplifying.

Revolt · Accepted Answer

22

Question 4

Check the solution by substituting for the variable and simplifying.

Revolt · Accepted Answer

1025

Question 5

First, both sides of the equation.

Revolt · Accepted Answer

add 8 to

Question 6

Which statements are correct? Check all that apply.

Revolt · Accepted Answer

The word “sum” means the result of adding two numbers.; The correct equation is n + 2.2 = 5.; The solution of the equation is n = 2.8.; Check the solution by substituting the value for n and simplifying.

Question 7

The equation that correctly models the problem is .

Revolt · Accepted Answer

n – 440 = 585

Question 8

To undo what has been done to the variable, both sides of the equation.

Revolt · Accepted Answer

add 440 to

Question 9

The solution of the equation is .

Revolt · Accepted Answer

n = 1025

Solving One-Step Equations: Addition and Subtraction Answers

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