7x+27=6x+21

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Solution for 7x+27=6x+21 equation: 



7x+27=6x+21

We move all terms to the left:

7x+27-(6x+21)=0

We get rid of parentheses

7x-6x-21+27=0

We add all the numbers together, and all the variables

x+6=0

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

x=-6

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