Mathematics
MickieCarmony
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solve -x-3y=-3;2x+3y=5 by elimination

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Peick965

-x-3y=-3 2x+3y=5 solve by elimination. 2(-x-3y=-3)   2x+3y=5 -------------------------      -3y=-1              ⇒y=-1/-3=1/3 -x-3y=-3 2x+3y=5 --------------------      x=2 answer: x=2; y=1/3 Want to check this answer? -x-3y=-3 -x-3y=-(2)-3(1/3)=-2-1=-3 2x+3y=5 2(2)+3(1/3)=4+1=5

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