0.4x+0.2x=3

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Solution for 0.4x+0.2x=3 equation: 



0.4x+0.2x=3

We move all terms to the left:

0.4x+0.2x-(3)=0

We add all the numbers together, and all the variables

0.6x-3=0

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

0.6x=3

x=3/0.6

x=5

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