x.7x-4=31

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Solution for x.7x-4=31 equation: 



x.7x-4=31

We move all terms to the left:

x.7x-4-(31)=0

We add all the numbers together, and all the variables

x.7x-35=0

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

x.7x=35

x=35/1

x=35

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