10,2+0,4x=30

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Solution for 10,2+0,4x=30 equation: 



10.2+0.4x=30

We move all terms to the left:

10.2+0.4x-(30)=0

We add all the numbers together, and all the variables

0.4x-19.8=0

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

0.4x=19.8

x=19.8/0.4

x=49+0.2/0.4

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