Unit 6 Flashcard 3 - Solving equations

Front

y + 8 = 20

Back

12

Front

5r + 2 = 27

Back

5

Front

k - 10 = 7

Back

17

Front

2x - 7 = 23

Back

15

Front

-4T = -44

Back

11

Front

What is the first step to solve the equation y + 8 = 20?

Back

Subtract 8 from both sides.

Front

What does it mean to isolate the variable in an equation?

Back

To get the variable alone on one side of the equation.

Front

What is the solution to the equation 3x + 6 = 15?

Back

x = 3

Front

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

Back

Substitute the solution back into the original equation.

Front

What is the inverse operation of addition?

Back

Subtraction