2/7z=-4

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Solution for 2/7z=-4 equation: 


z in (-oo:+oo)

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

(2/7)*z+4 = 0

2/7*z+4 = 0 // - 4

2/7*z = -4 // : 2/7

z = -4/2/7

z = -14

z = -14

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