84=4x+7

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Solution for 84=4x+7 equation: 



84=4x+7

We move all terms to the left:

84-(4x+7)=0

We get rid of parentheses

-4x-7+84=0

We add all the numbers together, and all the variables

-4x+77=0

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

-4x=-77

x=-77/-4

x=19+1/4

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