X/3+9=13

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Solution for X/3+9=13 equation: 


X in (-oo:+oo)

X/3+9 = 13 // - 13

X/3-13+9 = 0

1/3*X-4 = 0 // + 4

1/3*X = 4 // : 1/3

X = 4/1/3

X = 12

X = 12

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