Question 232105
2x+9y=-32
-5x-9y=26 ADD.
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-3X=-6
X=-6/-3
X=2 ANS.
2*2+9Y=-32
4+9Y=-32
9Y=-32-4
9Y=-36
Y=-36/9
Y=-4 ANS.
PROOF:
-5*2-9*-4=26
-10+36=26
26=26