4.13 Solve Two Step Equations

Front

What is a 2-step problem?

Back

An equation where 2 steps are needed to solve it.

Front

Back

y = -4

Front

Back

y = 3

Front

What was done to solve the equation? (Line 1) 5x - 8 = 32 (Line 2) 5x = 40 (Line 3) x = 8

Back

add 8 to both sides, then divide both sides by 5

Front

Back

x = -7

Front

Back

Subtract 3 from both sides.

Front

Back

Add 4 to both sides.

Front

Back

x = 3

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

Back

y = 9