84x-42=39

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Solution for 84x-42=39 equation: 



84x-42=39

We move all terms to the left:

84x-42-(39)=0

We add all the numbers together, and all the variables

84x-81=0

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

84x=81

x=81/84

x=27/28

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