31x+42=7x

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Solution for 31x+42=7x equation: 



31x+42=7x

We move all terms to the left:

31x+42-(7x)=0

We add all the numbers together, and all the variables

24x+42=0

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

24x=-42

x=-42/24

x=-1+3/4

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