solve for y

Question

2y = 18x

y - 6 = 2x

trying to help with homework and at a loss here.

Answer 1

divide the fist equation by 2 to get
y = 9x

now plug that into the second:

9x - 6 = 2x
7x = 6
x = 6/7

then y = 9(6/7) = 54/7

x = 6/7
y = 54/7