12-15x=-21-15x

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Solution for 12-15x=-21-15x equation: 



12-15x=-21-15x

We move all terms to the left:

12-15x-(-21-15x)=0

We add all the numbers together, and all the variables

-15x-(-15x-21)+12=0

We get rid of parentheses

-15x+15x+21+12=0

We add all the numbers together, and all the variables

33!=0

There is no solution for this equation

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