How to solve two-step Equations

Front

What is a two-step equation?

Back

A two-step equation is an algebraic equation that requires two operations to isolate the variable and solve for its value.

Front

What is the first step to solve the equation x - 62 = 123?

Back

Add 62 to each side.

Front

What is the inverse operation of subtraction?

Back

Addition.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

How do you isolate the variable in the equation 2p - 254 = 900?

Back

First, add 254 to both sides, then divide by 2.

Front

What is the first step to solve the equation 11 - 3x = 44?

Back

Subtract 11 from both sides.

Front

What is the solution to the equation x / 2 - 5 = 3?

Back

x = 16.

Front

What is the solution to the equation x/5 - 13 = 20?

Back

x = 165.

Front

What does it mean to isolate a variable?

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 other side.

Front

What is the second step to solve the equation 2p - 254 = 900 after adding 254?

Back

Divide both sides by 2.