42=5/2x

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Solution for 42=5/2x equation: 


x in (-oo:+oo)

42 = (5/2)*x // - (5/2)*x

42-((5/2)*x) = 0

(-5/2)*x+42 = 0

42-5/2*x = 0 // - 42

-5/2*x = -42 // : -5/2

x = -42/(-5/2)

x = 84/5

x = 84/5

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