1/2+9z/4=-7/5

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Solution for 1/2+9z/4=-7/5 equation: 


z in (-oo:+oo)

(9*z)/4+1/2 = -7/5 // + -7/5

(9*z)/4+1/2-(-7/5) = 0

(9*z)/4+1/2+7/5 = 0

9/4*z+19/10 = 0 // - 19/10

9/4*z = -19/10 // : 9/4

z = -19/10/9/4

z = -38/45

z = -38/45

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