SOLUTION: how do i solve for x and y -3x+4y=-7 -8x-3y=23

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Question 252316: how do i solve for x and y -3x+4y=-7 -8x-3y=23
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
Solve either equation for x or y in terms of the other and then substitute that result in the other equation such that you will have either all x's or y's in that equation
-3x+4y=-7
add 3x to both sides
4y=3x-7
divide both sides by 4
y=3x/4-7/4
substitute 3x/4-7/4 for y in the other equation and solve for x
then put that number in either of the original equation and solve for