1/4z=21

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Solution for 1/4z=21 equation: 


z in (-oo:+oo)

(1/4)*z = 21 // - 21

(1/4)*z-21 = 0

1/4*z-21 = 0 // + 21

1/4*z = 21 // : 1/4

z = 21/1/4

z = 84

z = 84

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