Question

QUANTO E : 2.(3-y)+7.(.2-y)=15-4Y

Answer 1

2.(3-y)+7.(2-y)=15-4y
6-2y+14-7y=15-4y
-2y-7y+4y=15-14-6
-9y+4y=15-20
-5y=-5.(-1)
5y=5
y=5/5
y=1