Two 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 for d: 2d + 7 = 9

Back

d = 1

Front

Solve for c: 3c + 5 = 23

Back

c = 6

Front

Back

x = 30

Front

Solve for x: 4x + 7 = 23

Back

x = 4

Front

Back

x = 8

Front

What is the first step to solve the equation 2d + 7 = 9?

Back

Subtract 7 from both sides.

Front

What is the second step to solve the equation 3c + 5 = 23?

Back

Divide both sides by 3 after subtracting 5.

Front

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

Back

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

Front

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

Back

Inverse operations are used to undo the operations applied to the variable.