3x+1+2x+3=84

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Solution for 3x+1+2x+3=84 equation: 



3x+1+2x+3=84

We move all terms to the left:

3x+1+2x+3-(84)=0

We add all the numbers together, and all the variables

5x-80=0

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

5x=80

x=80/5

x=16

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