
Andy C. answered 08/01/18
Tutor
4.9
(27)
Math/Physics Tutor
Y = X+6
6x - 12 = 3y
6x - 12 = 3(x+6) <--- substitutes
6x-12 = 3x + 18
6x - 12 - 3x = 18
3x - 12 = 18
3x = 30
x=10
y=10+6 = 16
6(10) - 12 = 60 - 12 = 48 = 3(16)
So yes, the numbers are 10 and 16