x+3x+2,5x=18,5

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Solution for x+3x+2,5x=18,5 equation: 



x+3x+2.5x=18.5

We move all terms to the left:

x+3x+2.5x-(18.5)=0

We add all the numbers together, and all the variables

6.5x-18.5=0

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

6.5x=18.5

x=18.5/6.5

x=2+3.66666666667/4.33333333333

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