Solving Algebraic Equations One Step

Choose the variable in this equation: x - 5 = 12

• x

• subtract

• 5

• 12

Choose the operation in this equation: 7 m = 42

• 7

• multiply

• m

• 42

Select the inverse (opposite) operation needed to solve this equation:

y / 8 = 7

• add

• subtract

• multiply

• divide

Evaluate the following equation: y - 18 = 72

• y = 9

• y = 90

• y = 54

• + 18

The goal when solving an algebraic equation is to isolate the variable.

• True

• False

The inverse (opposite) operation of addition is multiplication.

• True

• False

The inverse (opposite) operation of subtraction is addition.

• True

• False

The inverse (opposite) operation for an equation that includes + 18 is:

• subtract 8

• subtract 18

• add 8

• add 18

Find the value of x in this equation: x / 12 = 12

• x

• divide

• 12

• 144

Find the value of c in this equation: c - 8 = 42

• 34

• 8

• 42

• 50