Unit 6: Expression and Equations

Select all the equations where x = 3 is a solution.

Which expression is equivalent to 20 – 8d?

• A. 2(4d – 10)

• B. 4(5 – 8d)

• C. 4(5 – 2d)

• D. (20 – 8)d

Mathematical Equivalence

ON

Mathematical Equivalence

ON

Which expression represents the amount of money they will earn if they sell s slices of pizza?

For every two pizza slices sold, How much would it be?

For every 20 pizza slices sold, How much would it be?