X7=x8-15

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Solution for X7=x8-15 equation: 



X7=X8-15

We move all terms to the left:

X7-(X8-15)=0

We add all the numbers together, and all the variables

-(+X^8-15)+X7=0

We add all the numbers together, and all the variables

X^7-(+X^8-15)=0

We get rid of parentheses

X^7-X^8+15=0

We do not support eXpression: X^7

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