8(5-z)/7=-z

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Solution for 8(5-z)/7=-z equation: 


z in (-oo:+oo)

(8*(5-z))/7 = -z // + z

(8*(5-z))/7+z = 0

(8*(5-z))/7+(7*z)/7 = 0

8*(5-z)+7*z = 0

40-z = 0

(40-z)/7 = 0

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

40-z = 0

40-z = 0 // - 40

-z = -40 // * -1

z = 40

z = 40

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