Solution equation: 5 + 1 / 3 x = 13 Another question: 2x out of 3 = 2 out of 9

5+1/3x=13
1/3x=13-5
1/3x=8
x=24
2/3x=2/9
x=2/9*3/2
x=1/3
X = one third

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