Answer:
y = -4
Step-by-step explanation:
-3x - 9y = 36
if x = 0
-3x would have to equal 0
so 0 - 9y = 36
36 - 0 = 0
so 36 will have to divide by 9 which equals 4
and since it's 0 - 9y, the number will have to be negative. so it will be -4.
so 0 *-3x* - -36 *9y* = 36
= 0 + 36
= 36
