Solving Two Step Equations with Rational Numbers

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 after isolating the variable term in a two-step equation?

Back

You perform the inverse operation to solve for the variable.

Front

What is the solution to the equation -54 = -4n + 2?

Back

n = 14.

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.

Front

What is the solution to the equation 4x + 7 = 23?

Back

x = 4.

Front

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

Back

To isolate the variable means to get the variable alone on one side of the equation.

Front

What is the first step in solving the equation -4(1 + 3x) = 68?

Back

Distribute -4 to both terms inside the parentheses.

Front

What is the solution to the equation 3(2x + 5) = 39?

Back

x = 4.

Front

What is the inverse operation of addition?

Back

Subtraction.