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

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

Question 2

First, both sides of the equation.

Revolt · Accepted Answer

B: add 8 to

Question 3

Which statements are correct? Check all that apply.

Revolt · Accepted Answer

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

Question 4

The equation that correctly models the problem is .

Revolt · Accepted Answer

A: n – 440 = 585

Question 5

The solution of the equation is .

Revolt · Accepted Answer

D: g = 22

Question 6

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

Revolt · Accepted Answer

A: add 440 to

Question 7

Check the solution by substituting for g and simplifying.

Revolt · Accepted Answer

D: 22

Question 8

The solution of the equation is .

Revolt · Accepted Answer

D: n = 1025

Question 9

Check the solution by substituting for the variable and simplifying.

Revolt · Accepted Answer

D: 1025

Solving One-Step Equations: Addition and Subtraction Answers

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