21x+168=126

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Solution for 21x+168=126 equation: 



21x+168=126

We move all terms to the left:

21x+168-(126)=0

We add all the numbers together, and all the variables

21x+42=0

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

21x=-42

x=-42/21

x=-2

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