13-21x=15=3x-10x

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Solution for 13-21x=15=3x-10x equation: 



13-21x=15=3x-10x

We move all terms to the left:

13-21x-(15)=0

We add all the numbers together, and all the variables

-21x-2=0

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

-21x=2

x=2/-21

x=-2/21

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