8(9-z)/7=-z

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Solution for 8(9-z)/7=-z equation: 


z in (-oo:+oo)

(8*(9-z))/7 = -z // + z

(8*(9-z))/7+z = 0

(8*(9-z))/7+(7*z)/7 = 0

8*(9-z)+7*z = 0

72-z = 0

(72-z)/7 = 0

(72-z)/7 = 0 // * 7

72-z = 0

72-z = 0 // - 72

-z = -72 // * -1

z = 72

z = 72

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