x/7-9=11 - solution

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Solution for x/7-9=11 equation:

x in (-oo:+oo)

x/7-9 = 11 // - 11

x/7-11-9 = 0

1/7*x-20 = 0 // + 20

1/7*x = 20 // : 1/7

x = 20/1/7

x = 140

x = 140

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