8/4x=21

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Solution for 8/4x=21 equation: 


x in (-oo:+oo)

(8/4)*x = 21 // - 21

(8/4)*x-21 = 0

2*x-21 = 0 // + 21

2*x = 21 // : 2

x = 21/2

x = 21/2

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