7x+31=90

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Solution for 7x+31=90 equation: 



7x+31=90

We move all terms to the left:

7x+31-(90)=0

We add all the numbers together, and all the variables

7x-59=0

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

7x=59

x=59/7

x=8+3/7

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