x+7=15.

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Solution for x+7=15. equation: 



x+7=15.

We move all terms to the left:

x+7-(15.)=0

We add all the numbers together, and all the variables

x+7-15=0

We add all the numbers together, and all the variables

x-8=0

We move all terms containing x to the left, all other terms to the right

x=8

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