(z+4)/9=(z-1)/8

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Solution for (z+4)/9=(z-1)/8 equation: 


z in (-oo:+oo)

(z+4)/9 = (z-1)/8 // - (z-1)/8

(z+4)/9-((z-1)/8) = 0

(z+4)/9+(-1*(z-1))/8 = 0

(8*(z+4))/(8*9)+(-1*9*(z-1))/(8*9) = 0

8*(z+4)-1*9*(z-1) = 0

41-z = 0

(41-z)/(8*9) = 0

(41-z)/(8*9) = 0 // * 8*9

41-z = 0

41-z = 0 // - 41

-z = -41 // * -1

z = 41

z = 41

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