4-2c/7=9

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Solution for 4-2c/7=9 equation: 


c in (-oo:+oo)

4-((2*c)/7) = 9 // - 9

4-((2*c)/7)-9 = 0

(-2/7)*c-9+4 = 0

-2/7*c-5 = 0 // + 5

-2/7*c = 5 // : -2/7

c = 5/(-2/7)

c = -35/2

c = -35/2

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