7c/2=21

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Solution for 7c/2=21 equation: 


c in (-oo:+oo)

(7*c)/2 = 21 // - 21

(7*c)/2-21 = 0

7/2*c-21 = 0 // + 21

7/2*c = 21 // : 7/2

c = 21/7/2

c = 6

c = 6

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