x/5-x/2=21

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Solution for x/5-x/2=21 equation: 


x in (-oo:+oo)

x/5-(x/2) = 21 // - 21

x/5-(x/2)-21 = 0

-3/10*x-21 = 0 // + 21

-3/10*x = 21 // : -3/10

x = 21/(-3/10)

x = -70

x = -70

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