3x+7.7=21

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Solution for 3x+7.7=21 equation: 



3x+7.7=21

We move all terms to the left:

3x+7.7-(21)=0

We add all the numbers together, and all the variables

3x-13.3=0

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

3x=13.3

x=13.3/3

x=4+1/2.30769230769

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