7x-20=31

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Solution for 7x-20=31 equation: 



7x-20=31

We move all terms to the left:

7x-20-(31)=0

We add all the numbers together, and all the variables

7x-51=0

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

7x=51

x=51/7

x=7+2/7

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