7x+(-8)=90

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Solution for 7x+(-8)=90 equation: 



7x+(-8)=90

We move all terms to the left:

7x+(-8)-(90)=0

determiningTheFunctionDomain
7x-90+(-8)=0

We add all the numbers together, and all the variables

7x-98=0

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

7x=98

x=98/7

x=14

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