Solving 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

How do you isolate a variable in a two-step equation?

Back

To isolate a variable, perform the inverse operations in reverse order: first undo addition or subtraction, then undo multiplication or division.

Front

Solve for a: 2a + 4 = 10

Back

a = 3

Front

Solve for w: 3w - 5 = 13

Back

w = 6

Front

What is the first step to solve the equation 5x - 10 = 0?

Back

Add 10 to both sides of the equation.

Front

Solve for z: 4z + 8 = 20

Back

z = 3

Front

What does it mean to 'solve for x'?

Back

To 'solve for x' means to find the value of x that makes the equation true.

Front

Solve for x: 2x = 8

Back

x = 4

Front

What is the solution to the equation x/2 + 3 = 6?

Back

x = 6

Front

Solve for a: 3a - 9 = 0

Back

a = 3