Question 85707
5X-4Y=-5 NOW MULTIPLY THE SECOND EQUATION BY -5 & ADD:
-5X+10Y=35
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6Y=30
Y=30/6
Y=5 ANSWER.
5X-4*5=-5
5X-20=-5
5X=20-5
5X=15
X=15/5
X=3 ANSWER.
PROOF
3-2*5=-7
3-10=-7
-7=-7