Two Step Equations Review

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

How do you isolate a variable in an equation?

Back

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

Front

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

Back

Add 62 to both sides of the equation.

Front

What is the solution to the equation x - 62 = 123?

Back

x = 185.

Front

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

Back

Subtract 11 from both sides of the equation.

Front

What is the solution to the equation 11 - 3x = 44?

Back

x = -11.

Front

What does it mean to perform inverse operations?

Back

Inverse operations are operations that undo each other, such as addition and subtraction or multiplication and division.

Front

How do you check your solution to an equation?

Back

You substitute the solution back into the original equation to see if both sides are equal.

Front

What is the solution to the equation 3a + 12 = 0?

Back

a = -4.

Front

What is the first step to solve the equation 2x + 5 = 15?

Back

Subtract 5 from both sides of the equation.