The average of x + 6,6x + 2, and 2x +8 is 4x-7. What is x?
(x + 6) + (x + 8)
____________ = 4x -7
2
x + 6 + x + 8 = 2 (4x -7)
2x + 14 = 8x - 14
14 + 14 = 8x - 2x
28 = 6x
x = 28 / 6 = 14 / 3
