(77-x)+40=x

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Solution for (77-x)+40=x equation: 



(77-x)+40=x

We move all terms to the left:

(77-x)+40-(x)=0

We add all the numbers together, and all the variables

(-1x+77)-x+40=0

We add all the numbers together, and all the variables

-1x+(-1x+77)+40=0

We get rid of parentheses

-1x-1x+77+40=0

We add all the numbers together, and all the variables

-2x+117=0

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

-2x=-117

x=-117/-2

x=58+1/2

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