21=-3/2x

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Solution for 21=-3/2x equation: 


x in (-oo:+oo)

21 = (-3/2)*x // - (-3/2)*x

21-((-3/2)*x) = 0

(3/2)*x+21 = 0

3/2*x+21 = 0 // - 21

3/2*x = -21 // : 3/2

x = -21/3/2

x = -14

x = -14

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