7/9(y+1)=8/9y

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Solution for 7/9(y+1)=8/9y equation: 


y in (-oo:+oo)

(7/9)*(y+1) = (8/9)*y // - (8/9)*y

(7/9)*(y+1)-((8/9)*y) = 0

(7/9)*(y+1)+(-8/9)*y = 0

7/9*(y+1)+(-8*y)/9 = 0

(7/9*9*(y+1))/9+(-8*y)/9 = 0

7/9*9*(y+1)-8*y = 0

7-y = 0

(7-y)/9 = 0

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

7-y = 0

7-y = 0 // - 7

-y = -7 // * -1

y = 7

y = 7

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