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

Back

x = 168

Front

What is the first step to solve the equation 15 = 2a + 7?

Back

Subtract 7 from both sides to isolate the term with the variable.

Front

Solve for a: 15 = 2a + 7

Back

a = 4

Front

What is the solution to the equation 2x - 3 = 1?

Back

x = 2

Front

Back

Multiply both sides by 3 to eliminate the fraction.

Front

Back

x = 5

Front

What is the first step to solve the equation 4y + 1 = 13?

Back

Subtract 1 from both sides to isolate the term with the variable.

Front

Solve for y: 4y + 1 = 13

Back

y = 3

Front

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

Back

To isolate a variable means to manipulate the equation so that the variable is on one side and all other terms are on the opposite side.