2y*21/2=30

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Solution for 2y*21/2=30 equation: 


y in (-oo:+oo)

(2*21*y)/2 = 30 // - 30

(2*21*y)/2-30 = 0

21*y-30 = 0 // + 30

21*y = 30 // : 21

y = 30/21

y = 10/7

y = 10/7

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