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 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 do you do to isolate the variable in the equation 6 = a/4 + 2?

Back

Subtract 2 from both sides.

Front

What is the first step in solving the equation 2(n + 5) = -2?

Back

Distribute 2 to all terms in the parenthesis.

Front

What is the solution to the equation 9x - 7 = -7?

Back

x = 0.

Front

How do you solve for K in the equation 7(9 + K) = 84?

Back

K = 3.

Front

What does it mean to 'distribute' in an equation?

Back

To distribute means to multiply each term inside the parentheses by the factor outside.

Front

What is the purpose of adding or subtracting in solving equations?

Back

To isolate the variable on one side of the equation.

Front

What is the solution to the equation a/4 = 14?

Back

a = 56.

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.