7/2=19z/2-1/2(7z-1)

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Solution for 7/2=19z/2-1/2(7z-1) equation: 


z in (-oo:+oo)

7/2 = (19*z)/2-((1/2)*(7*z-1)) // - (19*z)/2-((1/2)*(7*z-1))

(1/2)*(7*z-1)-((19*z)/2)+7/2 = 0

(1/2)*(7*z-1)+(-19/2)*z+7/2 = 0

1/2*(7*z-1)+(-19*z)/2+7/2 = 0

(1/2*2*(7*z-1))/2+(-19*z)/2+7/2 = 0

1/2*2*(7*z-1)-19*z+7 = 0

7-12*z-1 = 0

6-12*z = 0

(6-12*z)/2 = 0

(6-12*z)/2 = 0 // * 2

6-12*z = 0

6-12*z = 0 // - 6

-12*z = -6 // : -12

z = -6/(-12)

z = 1/2

z = 1/2

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