Question

(DIFFICULTY: EASY) I need your brains, though.

Solve the word problem by creating an algebraic equation and solving for the unknown value.

David, Josue, and EJ had 72 cookies. Josue ate 5 more than 2 times than David, and EJ ate 3 times more than David. How many cookies did David eat?

Answer 1

David=2x

Josue=2x+5

EJ=3x+2x

2x+2x+5+5x=72

9x=72-5

x=72/9-5

x=8-5

x=3???

Answer 2

David=2x

Josue=2x+5

EJ=3x+2x

Explanation:

2x+2x+5+5x=72

9x=72-5

x=72/9-5

x=8-5

x=3???