7x+15=81

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Solution for 7x+15=81 equation: 



7x+15=81

We move all terms to the left:

7x+15-(81)=0

We add all the numbers together, and all the variables

7x-66=0

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

7x=66

x=66/7

x=9+3/7

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