7.7x-12=9

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Solution for 7.7x-12=9 equation: 



7.7x-12=9

We move all terms to the left:

7.7x-12-(9)=0

We add all the numbers together, and all the variables

7.7x-21=0

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

7.7x=21

x=21/7.7

x=2+3.5/4.8125

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