Answered

Given that x = 2y + 8 and 3x + y = 12, which of the following equations is true? Select all that apply.
A. 3 (2y + 8) + y = 12
B. 3 (12 − y) = 2y + 8
C. 4x + y = 2y + 20
D. x = 2 (12 + 3x) + 8
E. 3x = 6y + 24