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kaelyn897
kaelyn897 kaelyn897
  • 26-07-2016
  • Mathematics
Answered

how do i do this ? and show it step by step please

how do i do this ? and show it step by step please class=

Verified Answer :

dalendrk
dalendrk dalendrk
  • 26-07-2016

\(\dfrac{2}{a}-\dfrac{6}{a}=\dfrac{2-6}{a}=\boxed{\frac{-4}{a}=-\frac{4}{a}}\\\\\\-\dfrac{7}{10}-\left(-\dfrac{6}{10}\right)=\dfrac{-7}{10}+\dfrac{6}{10}=\dfrac{-7+6}{10}=\boxed{\frac{-1}{10}=-\frac{1}{10} }\)

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