X/7+9=20

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Solution for X/7+9=20 equation: 


X in (-oo:+oo)

X/7+9 = 20 // - 20

X/7-20+9 = 0

1/7*X-11 = 0 // + 11

1/7*X = 11 // : 1/7

X = 11/1/7

X = 77

X = 77

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