84-3x=78-x=

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Solution for 84-3x=78-x= equation: 



84-3x=78-x=

We move all terms to the left:

84-3x-(78-x)=0

We add all the numbers together, and all the variables

-3x-(-1x+78)+84=0

We get rid of parentheses

-3x+1x-78+84=0

We add all the numbers together, and all the variables

-2x+6=0

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

-2x=-6

x=-6/-2

x=+3

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