Answer:
x = y + 9/1 + 2w
Step-by-step explanation:
x + 2wx = y + 9
x (1 +2w) = y + 9
divide through by (1+2w)
x(1 + 2w)/(1+2w) = y + 9/(1 + 2w)
x = y + 9 / 1 + 2w