Question

Given the equation -12x+4y=12
a) solve for y if x=1
b) solve for y in general

Answer 1

a) y = 6

b) y = 3x + 3

Explanation:

a.)

plug 1 into x in the equation:

`-12+4y=12`

add 12 to both sides to isolate 4y:

`4y=24`

divide both sides by 4 to simplify x:

`y=6` [24/4=6]

b.)

add 12x to both sides to isolate 4y:

`4y=12x+12`

divide both sides by 4x to simplify x:

`y=3x+3`