\(\dfrac{1}{3}+\dfrac{2}{3}x=\dfrac{2}{5}\)
\(\dfrac{2}{3}x=\dfrac{1}{15}\)
\(x=\dfrac{1}{10}\)
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1/3+2/3x = 2/5
2/3x= 2/5-1/3
2/3x= 2/15
x= 2/15 : 2/3
x= 1/5
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