One-Step Algebra

Solve the algebraic equation for p.

p + 8 = 12

• 4

• 20

• 5

• 6

Solve for x.

x + 4 = 20

• 15

• 17

• 24

• 16

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

• True

• False

The inverse operation for the equation shown is: h + 18 = 34

• subtract 34

• subtract 18

• add 34

• add 18

Andrew has saved $55 toward the purchase of new AirPods. The AirPods are on sale for $145. Write an equation to represent this situation using x as the amount of money Andrew still needs to save for the Airpods.

Mathematical Equivalence

ON

Solve:

n - 5 = 32

• 32

• 27

• 37

• 36

Which method can be used to solve the algebraic equation below?

z - 6 = 13

• Subtract 6 from both sides of the equation

• Add six to both sides of the equation

• Subtract 13 from both sides of the equation

• Add 13 to both sides of the equation

Solve for k.

k-11 = 18

• 9

• 29

• 7

• 28

What are the TWO basic rules for solving algebraic equations?

• Whatever you do to one side of the equation, you must do on the other side of the equation.

• Always add on both sides.

• Always start on the left side, regardless of where the variable is.

• Always do the inverse operation.

Marco and Polo are making the world's largest apple pie. They will need 215 apples. Marco has already picked 95 apples. How many apples will Polo need to pick so they have enough? Select the equation that best describes this problem.

• p - 95 = 215

• 215 + p = 95

• p + 95 = 215

• 95p = 215