X+(-x)=7

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Solution for X+(-x)=7 equation:



X+(-X)=7
We move all terms to the left:
X+(-X)-(7)=0
We add all the numbers together, and all the variables
X+(-1X)-7=0
We get rid of parentheses
X-1X-7=0
We add all the numbers together, and all the variables
-7!=0
There is no solution for this equation

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