76+7(x-1)=90

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Solution for 76+7(x-1)=90 equation: 



76+7(x-1)=90

We move all terms to the left:

76+7(x-1)-(90)=0

We add all the numbers together, and all the variables

7(x-1)-14=0

We multiply parentheses

7x-7-14=0

We add all the numbers together, and all the variables

7x-21=0

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

7x=21

x=21/7

x=3

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