10x-x+9=81

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Solution for 10x-x+9=81 equation: 



10x-x+9=81

We move all terms to the left:

10x-x+9-(81)=0

We add all the numbers together, and all the variables

9x-72=0

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

9x=72

x=72/9

x=8

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