Question

Solve for y, then find the value of y when given x = –2.

6x = 7 – 4y

Answer 1

just let x = -2

\[\implies 6(-2) = 7 - 4y\]
now solve for y

what do you get?

Answer 2

that's what i don't get is the solving for y.. how?

Answer 3

okay... first simplify what i wrote above...

Answer 4

what is 6(-2) simplified?

Answer 5

-12

Answer 6

right so you have

-12 = 7 - 4y

now subtract 7 from BOTH sides

Answer 7

what do you get?

Answer 8

Here is a short video that might help you
http://www.khanacademy.org/math/algebra/solving-linear-equations-and-inequalities/v/algebra--linear-equations-2?exid=linear_equations_2