4z/7-2z/9=1

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Solution for 4z/7-2z/9=1 equation: 


z in (-oo:+oo)

(4*z)/7-((2*z)/9) = 1 // - 1

(4*z)/7-((2*z)/9)-1 = 0

(4*z)/7+(-2/9)*z-1 = 0

22/63*z-1 = 0 // + 1

22/63*z = 1 // : 22/63

z = 1/22/63

z = 63/22

z = 63/22

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