2 Step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to solve for the variable.

Front

Solve: 2x - 3 = 1

Back

x = 2

Front

What is the first step to solve the equation 2x - 3 = 1?

Back

Add 3 to both sides of the equation.

Front

Write an equation for: You bought a $5 magazine and four erasers for a total of $25.

Back

4x + 5 = 25

Front

Solve: 3x - 7 = 32

Back

x = 13

Front

What is the second step to solve the equation 3x - 7 = 32?

Back

Add 7 to both sides, then divide by 3.

Front

Solve: 8x + 12 = 100

Back

x = 11

Front

What does 'isolating the variable' mean?

Back

It means to get the variable alone on one side of the equation.

Front

Solve: 4x - 5 = 11

Back

x = 4

Front

What is the purpose of using inverse operations in solving equations?

Back

To undo the operations applied to the variable and isolate it.