X/2-11=9

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Solution for X/2-11=9 equation: 


X in (-oo:+oo)

X/2-11 = 9 // - 9

X/2-11-9 = 0

1/2*X-20 = 0 // + 20

1/2*X = 20 // : 1/2

X = 20/1/2

X = 40

X = 40

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