7x=12(10-x)=x+84

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Solution for 7x=12(10-x)=x+84 equation: 



7x=12(10-x)=x+84

We move all terms to the left:

7x-(12(10-x))=0

We add all the numbers together, and all the variables

7x-(12(-1x+10))=0



We calculate terms in parentheses: -(12(-1x+10)), so:

12(-1x+10)

We multiply parentheses

-12x+120

Back to the equation:

-(-12x+120)



We get rid of parentheses

7x+12x-120=0

We add all the numbers together, and all the variables

19x-120=0

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

19x=120

x=120/19

x=6+6/19

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