12+21(2-x)=-114

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Solution for 12+21(2-x)=-114 equation: 



12+21(2-x)=-114

We move all terms to the left:

12+21(2-x)-(-114)=0

We add all the numbers together, and all the variables

21(-1x+2)+12-(-114)=0

We add all the numbers together, and all the variables

21(-1x+2)+126=0

We multiply parentheses

-21x+42+126=0

We add all the numbers together, and all the variables

-21x+168=0

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

-21x=-168

x=-168/-21

x=+8

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