3x+2.4=12.9

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Solution for 3x+2.4=12.9 equation: 



3x+2.4=12.9

We move all terms to the left:

3x+2.4-(12.9)=0

We add all the numbers together, and all the variables

3x-10.5=0

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

3x=10.5

x=10.5/3

x=3+1/2

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