10x-9=2x-81

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Solution for 10x-9=2x-81 equation: 



10x-9=2x-81

We move all terms to the left:

10x-9-(2x-81)=0

We get rid of parentheses

10x-2x+81-9=0

We add all the numbers together, and all the variables

8x+72=0

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

8x=-72

x=-72/8

x=-9

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