9(y-9)/2=-2y

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Solution for 9(y-9)/2=-2y equation:


y in (-oo:+oo)

(9*(y-9))/2 = -2*y // + -2*y

(9*(y-9))/2-(-2*y) = 0

(9*(y-9))/2+2*y = 0

(9*(y-9))/2+(2*2*y)/2 = 0

9*(y-9)+2*2*y = 0

13*y-81 = 0

(13*y-81)/2 = 0

(13*y-81)/2 = 0 // * 2

13*y-81 = 0

13*y-81 = 0 // + 81

13*y = 81 // : 13

y = 81/13

y = 81/13

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