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

What is the first step in solving the equation 2a + 3 = 9?

Back

Subtract 3 from both sides to isolate the term with the variable.

Front

Solve for a: 2a + 3 = 9

Back

a = 3

Front

What does it mean to isolate a variable?

Back

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

Front

Solve for x: 3x - 5 = 10

Back

x = 5

Front

What is the second step in solving the equation 3x - 5 = 10?

Back

Add 5 to both sides to simplify the equation.

Front

Solve for a: 4a - 7 = 9

Back

a = 4

Front

What is the purpose of performing the same operation on both sides of an equation?

Back

To maintain the equality of the equation.

Front

Solve for x: x/2 + 3 = 7

Back

x = 8

Front

What is the first step to solve the equation x/2 + 3 = 7?

Back

Subtract 3 from both sides.