3/5-x/4=21/20

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Solution for 3/5-x/4=21/20 equation: 


x in (-oo:+oo)

3/5-(x/4) = 21/20 // - 21/20

3/5-(x/4)-(21/20) = 0

3/5-(x/4)-21/20 = 0

-1/4*x-9/20 = 0 // + 9/20

-1/4*x = 9/20 // : -1/4

x = 9/20/(-1/4)

x = -9/5

x = -9/5

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