-7x+30=9

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Solution for -7x+30=9 equation: 



-7x+30=9

We move all terms to the left:

-7x+30-(9)=0

We add all the numbers together, and all the variables

-7x+21=0

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

-7x=-21

x=-21/-7

x=+3

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