13y/3-5y/6=21

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Solution for 13y/3-5y/6=21 equation: 


y in (-oo:+oo)

(13*y)/3-((5*y)/6) = 21 // - 21

(13*y)/3-((5*y)/6)-21 = 0

(13*y)/3+(-5/6)*y-21 = 0

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

7/2*y = 21 // : 7/2

y = 21/7/2

y = 6

y = 6

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