Question

Which algebraic equation represents: “Three times the difference of x and 9 is 15”? A. 9x - 3 = 15 B. 3•9 - x = 15 C. 9 - 3x = 15 D. 3•(x - 9) = 15

Answer 1

D. 3•(x - 9) = 15

Explanation:

Three times the difference of x and 9 is 15

3 (x - 9) = 15

3(x - 9) = 15