21x=-31/2

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Solution for 21x=-31/2 equation: 


x in (-oo:+oo)

21*x = -31/2 // + -31/2

21*x-(-31/2) = 0

21*x+31/2 = 0

21*x+31/2 = 0 // - 31/2

21*x = -31/2 // : 21

x = -31/2/21

x = -31/42

x = -31/42

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