Question 210797
2x+y=-2
-(2x-3y=15) SUBTRACT
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4Y=-17
Y=-17/4 ANS.
2X-17/4=-2
2X=-2+17/4
2X=(-2*4+17)/4
2X=(-8+17)/4
2X=9/4
X=(9/4)/2
X=(9/4)(1/2)
X=9/8 ANS.
2(9/8)-3(-17/4)=15
9/4+51/4=15
60/4=15
15=15