21x-5=-40

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Solution for 21x-5=-40 equation: 



21x-5=-40

We move all terms to the left:

21x-5-(-40)=0

We add all the numbers together, and all the variables

21x+35=0

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

21x=-35

x=-35/21

x=-1+2/3

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