To find x, the answer of the equation 5 / 6 x+7=12- 5 / 12x, we group the x and the numerics. Hence, the equation becomes 5/6 x -5/12 x = 12-7. we simplify this to 5/12 x = 5. We find x by multiplying 5 to 12 and dividing the product by 5. Hence the answer to this problem is 12.