Flashcard 3-3 REVIEW

Front

Solve 2x - 7 = -23

Back

x = -8

Front

Solve 2x + 3(5x - 7) = 47

Back

x = 4

Front

Solve 8v - 4(v + 8) = 8

Back

v = 10

Front

The sum of a number and 8 is 12. What is the number?

Back

The number is 4.

Front

Mallory bought pizza and soda for a party. If she spent $12.57 on sodas and $10.95 for each pizza, how many pizzas did she buy if her total is $89.22?

Back

10.95x + 12.57 = 89.22

Front

What is the first step to solve the equation 2x - 7 = -23?

Back

Add 7 to both sides.

Front

What is the distributive property?

Back

a(b + c) = ab + ac.

Front

How do you isolate a variable in an equation?

Back

Perform inverse operations to both sides of the equation.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.

Front

What is a linear equation?

Back

An equation that makes a straight line when graphed.