7x-12=90

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Solution for 7x-12=90 equation: 



7x-12=90

We move all terms to the left:

7x-12-(90)=0

We add all the numbers together, and all the variables

7x-102=0

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

7x=102

x=102/7

x=14+4/7

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