Question

An equation is shown below.
3x + 4y = 15
Solve the equation for x.

Answer 1

x =
`(15-4y)/(3)`

Explanation:

3x + 4y = 15 ( subtract 4y from both sides )

3x = 15 - 4y ( isolate x by dividing both sides by 3 )

x =
`(15-4y)/(3)`