4x/9=-1/7

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Solution for 4x/9=-1/7 equation: 


x in (-oo:+oo)

(4*x)/9 = -1/7 // + -1/7

(4*x)/9-(-1/7) = 0

(4*x)/9+1/7 = 0

4/9*x+1/7 = 0 // - 1/7

4/9*x = -1/7 // : 4/9

x = -1/7/4/9

x = -9/28

x = -9/28

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