Answer:
x+3y=-9
Step-by-step explanation:
-2(x+3y)=18
x+3y=18/-2
y=-1/3x-3
Divide both sides by-2 :
3y=-x-9
The answer is 1 1/2 = 3/2 1 = 2/2 LCD=2
B
below 0 is negative
so -15