X-7=-w

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Solution for X-7=-w equation:



X-7=-X
We move all terms to the left:
X-7-(-X)=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
2X-7=0
We move all terms containing X to the left, all other terms to the right
2X=7
X=7/2
X=3+1/2

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