Question

-8=-9+b/3 I really need help do not understand . This is variables on both sides.

Answer 1

this only has a variable on one side

-8 = -9 + b/3

 add 9 to both sides

1 = b/3

multiply by 3 to both sides

3 = b

check:

-8 = -9 + 3/3

-8 = -9 +1

-8 =-8