X+Y=12X+4y=-2

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Solution for X+Y=12X+4y=-2 equation:



X+=12X+4X=-2
We move all terms to the left:
X+-(12X+4X)=0
We add all the numbers together, and all the variables
X-(+16X)+=0
We add all the numbers together, and all the variables
X-(+16X)=0
We get rid of parentheses
X-16X=0
We add all the numbers together, and all the variables
-15X=0
X=0/-15
X=0

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