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/4 + 11 = 20?

Back

Subtract 11 from both sides to isolate the term with the variable.

Front

What is the second step to solve the equation x/4 + 11 = 20 after isolating the variable term?

Back

Multiply both sides by 4 to solve for x.

Front

What does it mean to isolate a variable in an equation?

Back

Isolating a variable means to get the variable alone on one side of the equation.

Front

How do you check if your solution to a two-step equation is correct?

Back

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

Front

Solve: -3x - 12 = 15. What is x?

Back

x = -9.

Front

What is the first step to solve the equation 2x + 10 = 16?

Back

Subtract 10 from both sides.

Front

What is the solution to the equation 4x - 8 = -40?

Back

x = -8.

Front

How do you solve the equation x/7 - 2 = 8?

Back

Add 2 to both sides, then multiply by 7.

Front

What is the solution to the equation x/4 + 11 = 20?

Back

x = 36.