.5x+.9=3.9

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Solution for .5x+.9=3.9 equation: 



.5x+.9=3.9

We move all terms to the left:

.5x+.9-(3.9)=0

We add all the numbers together, and all the variables

.5x-3=0

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

.5x=3

x=3/.5

x=6

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