0.4*0.3=x

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Solution for 0.4*0.3=x equation: 



0.4*0.3=x

We move all terms to the left:

0.4*0.3-(x)=0

We add all the numbers together, and all the variables

-1x+0.12=0

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

-x=-0.12

x=-0.12/-1

x=0.12/1

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