Question

How do you solve `B = 3/10 (A - 4)` for A?

Answer 1

`A=(10B/3)+4`

Explanation:

Arrange your equation:

`10B=3A-12`

Find A
`3A=10B+12`

`A=10B/3 + 12/3`

`A=10B/3 + 4`

This is your answer
`A=10B/3 + 4`