14x+7x+12x+42x-84x=-420-336

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Solution for 14x+7x+12x+42x-84x=-420-336 equation: 



14x+7x+12x+42x-84x=-420-336

We move all terms to the left:

14x+7x+12x+42x-84x-(-420-336)=0

We add all the numbers together, and all the variables

14x+7x+12x+42x-84x-(-756)=0

We add all the numbers together, and all the variables

-9x+756=0

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

-9x=-756

x=-756/-9

x=+84

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