Question 715392
8x-7y=-3 MULTIPLY BY 3. [NOTE: I CHANGED THE + TO AN = SIGN]
6x-5y=-1 MULTIPLY BY -4 & ADD.
24X-21Y=-9
-24X+20Y=4 ADD.
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-Y=-5
Y=5 ANS.
8X-7*5=-3
8X-35=-3
8X=-3+35
8X=32
X=32/8
X=4 ANS.
PROOF:
6*4-5*5=-1
24-25=-1
-1=-1