-2x+7=-21-2x+7=-21

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Solution for -2x+7=-21-2x+7=-21 equation: 



-2x+7=-21-2x+7=-21

We move all terms to the left:

-2x+7-(-21-2x+7)=0

We add all the numbers together, and all the variables

-2x-(-2x-14)+7=0

We get rid of parentheses

-2x+2x+14+7=0

We add all the numbers together, and all the variables

21!=0

There is no solution for this equation

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