Question

How can u solve for x when there is a y in the like y=4x+8x

Answer 1

x =
`(1)/(12)` y

Explanation:

Given

y = 4x + 8x, that is

y = 12x ( divide both sides by 12 )

`(y)/(12)` = x, or

x =
`(1)/(12)` y