Solve 11b+6-2b+b=4b+5-3b-3-b for b.

10b+6= 2
___-6_-6

10b=-4

Book says answer is -2/5.

I do not see how the problems comes down to this answer.

1 answer

11b+6-2b+b=4b+5-3b-3-b

10b + 6 = 2
10b = -4
b = -4 / 10
b = -2/5

When you divide a negative and a postive, the answer is negative. So -- negative 4 divided by positive 10 = -4/10 = -2/5