X/2+9=15

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Solution for X/2+9=15 equation: 


X in (-oo:+oo)

X/2+9 = 15 // - 15

X/2-15+9 = 0

1/2*X-6 = 0 // + 6

1/2*X = 6 // : 1/2

X = 6/1/2

X = 12

X = 12

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