21x+31=7

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Solution for 21x+31=7 equation: 



21x+31=7

We move all terms to the left:

21x+31-(7)=0

We add all the numbers together, and all the variables

21x+24=0

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

21x=-24

x=-24/21

x=-1+1/7

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