31x+7=131

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Solution for 31x+7=131 equation: 



31x+7=131

We move all terms to the left:

31x+7-(131)=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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