c/5=21

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Solution for c/5=21 equation: 


c in (-oo:+oo)

c/5 = 21 // - 21

c/5-21 = 0

1/5*c-21 = 0 // + 21

1/5*c = 21 // : 1/5

c = 21/1/5

c = 105

c = 105

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