21x+14-6x=8x-126

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Solution for 21x+14-6x=8x-126 equation: 



21x+14-6x=8x-126

We move all terms to the left:

21x+14-6x-(8x-126)=0

We add all the numbers together, and all the variables

15x-(8x-126)+14=0

We get rid of parentheses

15x-8x+126+14=0

We add all the numbers together, and all the variables

7x+140=0

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

7x=-140

x=-140/7

x=-20

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