15/2=7z-2(-3z-1/4)

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Solution for 15/2=7z-2(-3z-1/4) equation: 


z in (-oo:+oo)

15/2 = 7*z-(2*(-3*z-(1/4))) // - 7*z-(2*(-3*z-(1/4)))

2*(-3*z-(1/4))-(7*z)+15/2 = 0

2*(-3*z-1/4)-7*z+15/2 = 0

(2^2*(-3*z-1/4))/2+(-7*2*z)/2+15/2 = 0

2^2*(-3*z-1/4)-7*2*z+15 = 0

15-26*z-1 = 0

14-26*z = 0

(14-26*z)/2 = 0

(14-26*z)/2 = 0 // * 2

14-26*z = 0

14-26*z = 0 // - 14

-26*z = -14 // : -26

z = -14/(-26)

z = 7/13

z = 7/13

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