-42x=-84

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Solution for -42x=-84 equation: 



-42x=-84

We move all terms to the left:

-42x-(-84)=0

We add all the numbers together, and all the variables

-42x+84=0

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

-42x=-84

x=-84/-42

x=+2

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