7/5y=21

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Solution for 7/5y=21 equation: 


y in (-oo:+oo)

(7/5)*y = 21 // - 21

(7/5)*y-21 = 0

7/5*y-21 = 0 // + 21

7/5*y = 21 // : 7/5

y = 21/7/5

y = 15

y = 15

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