(87-x)=2x

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Solution for (87-x)=2x equation: 



(87-x)=2x

We move all terms to the left:

(87-x)-(2x)=0

We add all the numbers together, and all the variables

(-1x+87)-2x=0

We add all the numbers together, and all the variables

-2x+(-1x+87)=0

We get rid of parentheses

-2x-1x+87=0

We add all the numbers together, and all the variables

-3x+87=0

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

-3x=-87

x=-87/-3

x=+29

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