X+x=8x+x=13.X-x=6x+x=8

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Solution for X+x=8x+x=13.X-x=6x+x=8 equation:



X+X=8X+X=13.X-X=6X+X=8
We move all terms to the left:
X+X-(8X+X)=0
We add all the numbers together, and all the variables
X+X-(+9X)=0
We add all the numbers together, and all the variables
2X-(+9X)=0
We get rid of parentheses
2X-9X=0
We add all the numbers together, and all the variables
-7X=0
X=0/-7
X=0

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