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 3x - 5 = 20?

Back

Add 5 to both sides.

Front

What is the solution to the equation 6 - 3a = 21?

Back

a = -5.

Front

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

Back

Subtract 11 from both sides.

Front

What is the goal of solving two-step equations?

Back

Find the value of the variable.

Front

How do you isolate the variable in an equation?

Back

Perform inverse operations to both sides of the equation.

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

If you have the equation 2x + 4 = 12, what is the first step to solve it?

Back

Subtract 4 from both sides.

Front

What is the solution to the equation 4x - 8 = 0?

Back

x = 2.

Front

How do you check if your solution to an equation is correct?

Back

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