3x-31=19+x

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Solution for 3x-31=19+x equation: 



3x-31=19+x

We move all terms to the left:

3x-31-(19+x)=0

We add all the numbers together, and all the variables

3x-(x+19)-31=0

We get rid of parentheses

3x-x-19-31=0

We add all the numbers together, and all the variables

2x-50=0

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

2x=50

x=50/2

x=25

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