(x+84)=4x

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Solution for (x+84)=4x equation: 



(x+84)=4x

We move all terms to the left:

(x+84)-(4x)=0

We add all the numbers together, and all the variables

-4x+(x+84)=0

We get rid of parentheses

-4x+x+84=0

We add all the numbers together, and all the variables

-3x+84=0

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

-3x=-84

x=-84/-3

x=+28

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