`-5/7*2/11-5/11*9/7+2 5/7`
`=-5/7*2/11-5/7*9/11+2+5/7`
`=-5/7*(2/11+9/11)+2+5/7`
`=-5/7+2+5/7=2`
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\(\dfrac{-5}{7}.\dfrac{2}{11}-\dfrac{5}{11}.\dfrac{9}{7}+2\dfrac{5}{7}\)
\(=\dfrac{-5}{7}.\dfrac{2}{11}+\dfrac{-5}{7}.\dfrac{9}{11}+\dfrac{19}{7}\)
\(=\dfrac{-5}{7}.\left(\dfrac{2}{11}+\dfrac{9}{11}\right)+\dfrac{19}{7}\)
\(=\dfrac{-5}{7}.1+\dfrac{19}{7}\)
\(=\dfrac{-5}{7}+\dfrac{19}{7}\)
\(=2\)
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