Two-Step Equations

Front

What is a two-step equation?

Back

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

Front

Solve for y: -15 = -4y + 5

Back

y = 5

Front

Solve for x: 4x + 7 = 23

Back

x = 4

Front

What is the first step to solve the equation x - 62 = 123?

Back

Add 62 to each side.

Front

What does it mean to isolate a variable?

Back

To isolate a variable means to manipulate the equation so that the variable is on one side by itself.

Front

Solve for a: 2a - 4 = 8

Back

a = 6

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.

Front

Solve for x: 3x + 9 = 0

Back

x = -3

Front

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

Back

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