30-8x+5=-21

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Solution for 30-8x+5=-21 equation: 



30-8x+5=-21

We move all terms to the left:

30-8x+5-(-21)=0

We add all the numbers together, and all the variables

-8x+56=0

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

-8x=-56

x=-56/-8

x=+7

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