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-5x+3y= 6
x- y= 4
-5x+3y= 6
5x-5y= 20 |Multiplying 2nd Eq thru by 5 to eliminate x
-2y = 26
y = -13 and x = -9 (x = y + 4 = -13 + 4= -9)
CHECKING our Answer***
-5*-9 + 3*-13 = 45 - 39 = 6
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