3/10x+21=0

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Solution for 3/10x+21=0 equation: 


x in (-oo:+oo)

(3/10)*x+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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