3.x+8=15

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Solution for 3.x+8=15 equation: 



3.x+8=15

We move all terms to the left:

3.x+8-(15)=0

We add all the numbers together, and all the variables

3.x-7=0

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

3.x=7

x=7/3.

x=2+1/3.

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