4z/7=-9

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Solution for 4z/7=-9 equation: 


z in (-oo:+oo)

(4*z)/7 = -9 // + 9

(4*z)/7+9 = 0

4/7*z+9 = 0 // - 9

4/7*z = -9 // : 4/7

z = -9/4/7

z = -63/4

z = -63/4

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