Answer:
x=2
y=-8
Step-by-step explanation:
6x+3y=-12
-6x-2y=4
3y=-12-6x
y=(-12-6x)/3
y=-4-2x
substitute y
-6x-2(-4-2x)=4
-6x+8+4x=4
-2x=-4
x=2
6(2)+3y=-12
12+3y=-12
3y=-24
y=-8
check:
6(2)+3(-8)=-12
12-24=-12
-6(2)-2(-8)=4
-12=16=4
I have a picture of the work for it but I don’t know how to upload it I can put a file maybe!
That would be 57 because .85 rounds up to one more place.
It would be 5 months because if you do 75 + 20x = 35x
15x = 75
----- ------
15 15
x = 5
sorry i dont have answered