x-2=8+7

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Solution for x-2=8+7 equation: 



x-2=8+7

We move all terms to the left:

x-2-(8+7)=0

We add all the numbers together, and all the variables

x-2-15=0

We add all the numbers together, and all the variables

x-17=0

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

x=17

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