Solving Equations Pretest

Front

What is the first step in solving the equation -15 = 5b?

Back

Divide 5 to both sides of the equal sign.

Front

Solve the equation x / 2 - 5 = 3.

Back

x = 16

Front

What is the first step in solving the equation n - 6 = -2?

Back

Add +6 to both sides of the equal sign.

Front

Solve the equation n - 6 = -2.

Back

4

Front

What is the second step in solving the equation -4x + 1 = 21?

Back

Divide both sides by -4.

Front

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

Back

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

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

If 3x = 12, what is the value of x?

Back

x = 4.

Front

What is the inverse operation of addition?

Back

Subtraction.

Front

What is the inverse operation of multiplication?

Back

Division.