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 to solve the equation x + 5 = 12?

Back

Subtract 5 from both sides to isolate x.

Front

How do you isolate a variable in an equation?

Back

You perform inverse operations to move constants away from the variable.

Front

What is the solution to the equation 2x + 3 = 11?

Back

x = 4.

Front

What does it mean to perform the inverse operation?

Back

It means to do the opposite operation, such as adding instead of subtracting.

Front

If you have the equation 3x - 7 = 2, what is the first step?

Back

Add 7 to both sides.

Front

What is the solution to the equation 5x = 25?

Back

x = 5.

Front

What is the purpose of checking your solution in an equation?

Back

To verify that the solution satisfies the original equation.

Front

What is the first step to solve the equation 2(x - 3) = 8?

Back

Divide both sides by 2.

Front

What is the solution to the equation x/4 + 2 = 5?

Back

x = 12.