9+3x+3x=69

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Solution for 9+3x+3x=69 equation: 


x in (-oo:+oo)

3*x+3*x+9 = 69 // - 69

3*x+3*x-69+9 = 0

6*x-60 = 0 // + 60

6*x = 60 // : 6

x = 60/6

x = 10

x = 10

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