SOLUTION: 8x-5y=-9,3x+5y=-2

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Question 71735This question is from textbook Algebra 1
: 8x-5y=-9,3x+5y=-2 This question is from textbook Algebra 1

Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
8X-5Y=-9
3X+5Y=-2 NOW ADD THESE TWO EQUATIONS
-------------------------------------
11X=-11
X=-11/11
X=-1 ANSWER.
8*-1-5Y=-9
-8-5Y=-9
-5Y=-9+8
-5Y=-1
Y=-1/-5
Y=1/5 ANSWER.
PROOF
3*-1+5*1/5=-2
-3+1=-2
-2=-2