21x-9-11x=2x+71

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Solution for 21x-9-11x=2x+71 equation: 



21x-9-11x=2x+71

We move all terms to the left:

21x-9-11x-(2x+71)=0

We add all the numbers together, and all the variables

10x-(2x+71)-9=0

We get rid of parentheses

10x-2x-71-9=0

We add all the numbers together, and all the variables

8x-80=0

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

8x=80

x=80/8

x=10

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