Question

where did you get the 3 and the 9 from

Answer 1

found them under the couch

Answer 2

when you have
x-2y=14
x+3y=9
what do you do to solve it

Answer 3

subtract the equations and x will be eliminated

and you will get

-5y = 5

solve for y.

when you get y, substitute it into either equation to find x

hope it helps

Answer 4

have you covered system of equations yet?