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

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Solution for (-7x+1)/9=-1 equation: 


x in (-oo:+oo)

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

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

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

1*9-7*x+1 = 0

10-7*x = 0

(10-7*x)/9 = 0

(10-7*x)/9 = 0 // * 9

10-7*x = 0

10-7*x = 0 // - 10

-7*x = -10 // : -7

x = -10/(-7)

x = 10/7

x = 10/7

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