a/0.4=75 - solution

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Solution for a/0.4=75 equation:

a in (-oo:+oo)

a/0.4 = 75 // - 75

a/0.4-75 = 0

2.5*a-75 = 0 // + 75

2.5*a = 75 // : 2.5

a = 75/2.5

a = 30

a = 30

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