4z/7-1=-2

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


z in (-oo:+oo)

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

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

4/7*z+1 = 0 // - 1

4/7*z = -1 // : 4/7

z = -1/4/7

z = -7/4

z = -7/4

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