PA: 4. two-step equations #1

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 = 14?

Back

Subtract 5 from both sides.

Front

What is the second step in solving the equation 3x + 5 = 14?

Back

Divide both sides by 3.

Front

Solve: 3x + 5 = 14

Back

x = 3

Front

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

Back

x = 4

Front

Solve: 4x + 1 = -19

Back

x = -5

Front

What is the solution to the equation 7x - 4 = 45?

Back

x = 7

Front

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

Back

Isolating the variable means to manipulate the equation so that the variable is on one side and all other terms are on the other side.

Front

What operation would you use to eliminate a constant term from one side of an equation?

Back

You would use subtraction.

Front

What operation would you use to eliminate a coefficient from a variable in an equation?

Back

You would use division.