Question

What is the value of x in the solution to the following system of equations?

x - y = -3
x + 3y = 5

Answer 1

isolate y on the first equation and you have y = x + 3
now substitute (x+3) on the second equation and solve for x

Answer 2

x=-1 ....others will explain :)

Answer 3

-3+4y=5
4y=8
y=2

Answer 4

then x-2=-3
x=-1

Answer 5

dumbcow is right

Answer 6

thanks