(87-2x)=(14x+21)

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Solution for (87-2x)=(14x+21) equation: 



(87-2x)=(14x+21)

We move all terms to the left:

(87-2x)-((14x+21))=0

We add all the numbers together, and all the variables

(-2x+87)-((14x+21))=0

We get rid of parentheses

-2x-((14x+21))+87=0



We calculate terms in parentheses: -((14x+21)), so:

(14x+21)

We get rid of parentheses

14x+21

Back to the equation:

-(14x+21)



We get rid of parentheses

-2x-14x-21+87=0

We add all the numbers together, and all the variables

-16x+66=0

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

-16x=-66

x=-66/-16

x=4+1/8

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