(65-x)=(78-2x)

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Solution for (65-x)=(78-2x) equation: 



(65-x)=(78-2x)

We move all terms to the left:

(65-x)-((78-2x))=0

We add all the numbers together, and all the variables

(-1x+65)-((-2x+78))=0

We get rid of parentheses

-1x-((-2x+78))+65=0



We calculate terms in parentheses: -((-2x+78)), so:

(-2x+78)

We get rid of parentheses

-2x+78

Back to the equation:

-(-2x+78)



We get rid of parentheses

-1x+2x-78+65=0

We add all the numbers together, and all the variables

x-13=0

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

x=13

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