Answer:
x = (18 + 3y)/2 y = (18 - 2x)/3
Explanation:
For whichever variable you want to solve for, isolate it on one side. For example, if you want to solve for x, first add 3y to each side.
2x = 18 + 3y
Then, divide everything by two.
x = (18 + 3y)/2