SOLUTION: Solve the following system by elimination -9x-8y=-10 -6x-5y=-4

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Question 959403: Solve the following system by elimination
-9x-8y=-10
-6x-5y=-4

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
-9x-8y=-10 MULTIPLY BY 2
-6x-5y=-4 MULTIPLY BY -3 & ADD
-18X-16Y=-20
18X+15Y=12
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-Y=-8
Y=8 ANS.
-9X-8*8=-10
-9X-64=-10
-9X=-10+64
-9X=54
X=54/-9
X=-6 ANS.
PROOF:
-6*-6-5*8=-4
36-40=-4
-4=-4