Question

How do you solve `(b+2)/3 - (b-2)/7=2`?

Answer 1

Solution: `b=5 1/2`

Explanation:

`(b+2)/3- (b-2)/7=2` . Multiplying by `21` on both sides

we get, `7(b+2)- 3(b-2)=42` or

`7 b+14- 3 b +6=42` or

`4 b=22 :. b= 22/4= 11/2 = 5 1/2`

Solution: `b=5 1/2` [Ans]