3.0x-x=15

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Solution for 3.0x-x=15 equation: 



3.0x-x=15

We move all terms to the left:

3.0x-x-(15)=0

We add all the numbers together, and all the variables

2x-15=0

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

2x=15

x=15/2

x=7+1/2

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