7x=19x-84

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Solution for 7x=19x-84 equation: 



7x=19x-84

We move all terms to the left:

7x-(19x-84)=0

We get rid of parentheses

7x-19x+84=0

We add all the numbers together, and all the variables

-12x+84=0

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

-12x=-84

x=-84/-12

x=+7

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