Chapter 4 Review

Front

Solve the following two-step equation: 2x - 14 = 34

Back

x = 24

Front

Solve: 150 + y = 879

Back

y = 729

Front

Solve: 11p = 121

Back

p = 11

Front

You start a dog walking business. Each dog you walk earns you $9. How many dogs will you have to walk before you have more than $27?

Back

9x > 27

Front

Solve: 3w = 30

Back

w = 10

Front

What is a two-step equation?

Back

An equation that requires two operations to solve for the variable.

Front

What does it mean to isolate a variable?

Back

To manipulate an equation so that the variable is on one side and all other terms are on the other.

Front

What is the first step in solving the equation 2x - 14 = 34?

Back

Add 14 to both sides to get 2x = 48.

Front

What is the solution to the equation 3w = 30?

Back

Divide both sides by 3 to get w = 10.

Front

How do you check if your solution to an equation is correct?

Back

Substitute the solution back into the original equation to see if both sides are equal.