9+4x=30

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Solution for 9+4x=30 equation: 



9+4x=30

We move all terms to the left:

9+4x-(30)=0

We add all the numbers together, and all the variables

4x-21=0

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

4x=21

x=21/4

x=5+1/4

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