3.4+0.5x=12.9

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Solution for 3.4+0.5x=12.9 equation: 



3.4+0.5x=12.9

We move all terms to the left:

3.4+0.5x-(12.9)=0

We add all the numbers together, and all the variables

0.5x-9.5=0

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

0.5x=9.5

x=9.5/0.5

x=19

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