x/0.4=0.8 - solution

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Solution for x/0.4=0.8 equation:

x in (-oo:+oo)

x/0.4 = 0.8 // - 0.8

x/0.4-0.8 = 0

2.5*x-0.8 = 0 // + 0.8

2.5*x = 0.8 // : 2.5

x = 0.8/2.5

x = 0.32

x = 0.32

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