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 2s - 4 = 6?

Back

Add 4 to both sides to isolate the term with the variable.

Front

What is the solution to the equation 2s - 4 = 6?

Back

s = 5

Front

What is the first step to solve the equation 3c + 5 = 23?

Back

Subtract 5 from both sides.

Front

What is the solution to the equation 3c + 5 = 23?

Back

c = 6

Front

What is the first step to solve the equation 11 = 3z + 5?

Back

Subtract 5 from both sides.

Front

What is the solution to the equation 11 = 3z + 5?

Back

z = 2

Front

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

Back

To isolate a variable means to manipulate the equation so that the variable is on one side by itself.

Front

What is the purpose of performing the same operation on both sides of an equation?

Back

To maintain the equality of the equation.

Front

What is the second step to solve the equation 2s - 4 = 6 after adding 4?

Back

Divide both sides by 2.