X-3+z=7

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Solution for X-3+z=7 equation:



X-3+X=7
We move all terms to the left:
X-3+X-(7)=0
We add all the numbers together, and all the variables
2X-10=0
We move all terms containing X to the left, all other terms to the right
2X=10
X=10/2
X=5

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