(0.80*15)+3x=18

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Solution for (0.80*15)+3x=18 equation: 



(0.80*15)+3x=18

We move all terms to the left:

(0.80*15)+3x-(18)=0

determiningTheFunctionDomain
3x-18+(0.80*15)=0

We add all the numbers together, and all the variables

3x-18+12=0

We add all the numbers together, and all the variables

3x-6=0

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

3x=6

x=6/3

x=2

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