-6=2x-21

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Solution for -6=2x-21 equation: 



-6=2x-21

We move all terms to the left:

-6-(2x-21)=0

We get rid of parentheses

-2x+21-6=0

We add all the numbers together, and all the variables

-2x+15=0

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

-2x=-15

x=-15/-2

x=7+1/2

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