30/50=x/4

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Solution for 30/50=x/4 equation: 


x in (-oo:+oo)

30/50 = x/4 // - x/4

30/50-(x/4) = 0

3/5-1/4*x = 0 // - 3/5

-1/4*x = -3/5 // : -1/4

x = -3/5/(-1/4)

x = 12/5

x = 12/5

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