-3/4d+4/5=-89/20

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Solution for -3/4d+4/5=-89/20 equation: 


d in (-oo:+oo)

(-3/4)*d+4/5 = -89/20 // + -89/20

(-3/4)*d+4/5-(-89/20) = 0

(-3/4)*d+4/5+89/20 = 0

21/4-3/4*d = 0 // - 21/4

-3/4*d = -21/4 // : -3/4

d = -21/4/(-3/4)

d = 7

d = 7

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