1/2(20z+18)-6=9(z-1)

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Solution for 1/2(20z+18)-6=9(z-1) equation: 


z in (-oo:+oo)

(1/2)*(20*z+18)-6 = 9*(z-1) // - 9*(z-1)

(1/2)*(20*z+18)-(9*(z-1))-6 = 0

(1/2)*(20*z+18)-9*(z-1)-6 = 0

1/2*(20*z+18)-9*(z-1)-6 = 0

1/2*(20*z+18)-9*(z-1)-6 = 0

z-6+18 = 0

z+12 = 0

z+12 = 0

z+12 = 0 // - 12

z = -12

z = -12

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