Question

How many solutions does the following equation have

Answer 1

B= Exactly one solution
-6y+9y= 3y
3y+13=8y-3
3y=8y-16
-5y=-16

Answer 2

3y+13=8y-3

then

3y+13-13=8y-3-13

3y=8y-16

3y-8y=8y-16-8y

-4y=-16

-4y/4=-16/4

the answer is -4

i think you have the rest from here