9x+11=21

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Solution for 9x+11=21 equation: 



9x+11=21

We move all terms to the left:

9x+11-(21)=0

We add all the numbers together, and all the variables

9x-10=0

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

9x=10

x=10/9

x=1+1/9

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