x*0.4=15

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Solution for x*0.4=15 equation: 



x*0.4=15

We move all terms to the left:

x*0.4-(15)=0

Wy multiply elements

0.4x-15=0

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

0.4x=15

x=15/0.4

x=37+0.2/0.4

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