3x+2=84

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Solution for 3x+2=84 equation: 



3x+2=84

We move all terms to the left:

3x+2-(84)=0

We add all the numbers together, and all the variables

3x-82=0

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

3x=82

x=82/3

x=27+1/3

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