30x+15=255.

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Solution for 30x+15=255. equation: 



30x+15=255.

We move all terms to the left:

30x+15-(255.)=0

We add all the numbers together, and all the variables

30x+15-255=0

We add all the numbers together, and all the variables

30x-240=0

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

30x=240

x=240/30

x=8

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