3/7z=-4/9

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Solution for 3/7z=-4/9 equation: 


z in (-oo:+oo)

(3/7)*z = -4/9 // + -4/9

(3/7)*z-(-4/9) = 0

(3/7)*z+4/9 = 0

3/7*z+4/9 = 0 // - 4/9

3/7*z = -4/9 // : 3/7

z = -4/9/3/7

z = -28/27

z = -28/27

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