Answer:
12
Step-by-step explanation:
36 / (x - 3) = 4
multiply both sides by (x - 3):
(x - 3)(36 / (x - 3)) = 4(x - 3)
36 = 4(x - 3)
expand right side:
36 = 4x - 12
add 12 to both sides:
36 + 12 = 4x - 12 + 12
48 = 4x
divide both sides by 4:
48/4 = 4x/4
x = 12
