21(2-x)+12x=-54

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Solution for 21(2-x)+12x=-54 equation: 



21(2-x)+12x=-54

We move all terms to the left:

21(2-x)+12x-(-54)=0

We add all the numbers together, and all the variables

21(-1x+2)+12x-(-54)=0

We add all the numbers together, and all the variables

12x+21(-1x+2)+54=0

We multiply parentheses

12x-21x+42+54=0

We add all the numbers together, and all the variables

-9x+96=0

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

-9x=-96

x=-96/-9

x=10+2/3

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