X-x+4x+2x+x=7

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Solution for X-x+4x+2x+x=7 equation:



X-X+4X+2X+X=7
We move all terms to the left:
X-X+4X+2X+X-(7)=0
We add all the numbers together, and all the variables
7X-7=0
We move all terms containing X to the left, all other terms to the right
7X=7
X=7/7
X=1

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