21/2y+9/6=3y-7

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Solution for 21/2y+9/6=3y-7 equation: 


y in (-oo:+oo)

(21/2)*y+9/6 = 3*y-7 // - 3*y-7

(21/2)*y-(3*y)+9/6+7 = 0

(21/2)*y-3*y+9/6+7 = 0

15/2*y+17/2 = 0 // - 17/2

15/2*y = -17/2 // : 15/2

y = -17/2/15/2

y = -17/15

y = -17/15

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