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 to solve the equation 2p - 254 = 900?

Back

The first step is to isolate the term with the variable by adding 254 to both sides.

Front

What is the inverse operation of addition?

Back

The inverse operation of addition is subtraction.

Front

Write an equation based on the scenario: Aliyah had $24 to spend on seven pencils. After buying them she had $10. How much did each pencil cost?

Back

7x + 10 = 24.

Front

How do you isolate a variable in an equation?

Back

To isolate a variable, perform inverse operations to both sides of the equation until the variable is alone.

Front

Solve for a in the equation 15 = 2a + 7.

Back

a = 4.

Front

What is the solution to the equation 3c + 5 = 23?

Back

c = 6.

Front

What is the solution to the equation 3x - 7 = 32?

Back

x = 13.

Front

What does it mean to 'solve' an equation?

Back

To solve an equation means to find the value of the variable that makes the equation true.

Front

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

Back

Inverse operations are used to undo operations and isolate the variable.