Question

How do you solve y=5/8b + 10 for b

Answer 1

b =
`(8y-80)/(5)`

Explanation:

Given

y =
`(5)/(8)` b + 10

Multiply through by 8 to clear the fraction

8y = 5b + 80 ( subtract 80 from both sides )

8y - 80 = 5b ( divide both sides by 5 )

`(8y-80)/(5)` = b