13x+2+3+18x=129

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Solution for 13x+2+3+18x=129 equation: 



13x+2+3+18x=129

We move all terms to the left:

13x+2+3+18x-(129)=0

We add all the numbers together, and all the variables

31x-124=0

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

31x=124

x=124/31

x=4

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