x=-12/21

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Solution for x=-12/21 equation: 



x=-12/21

We move all terms to the left:

x-(-12/21)=0

We get rid of parentheses

x+12/21=0

We multiply all the terms by the denominator


x*21+12=0

Wy multiply elements

21x+12=0

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

21x=-12

x=-12/21

x=-4/7

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