x-3=4x-87

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Solution for x-3=4x-87 equation: 



x-3=4x-87

We move all terms to the left:

x-3-(4x-87)=0

We get rid of parentheses

x-4x+87-3=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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