su9saputCcarlenMans su9saputCcarlenMans
  • 18-12-2016
  • Mathematics
contestada

simply and reduce to lowest terms
a + [a + b - a - (2a- b)]

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pingwin09
pingwin09 pingwin09
  • 18-12-2016
a + [a + b - a - (2a- b)]
= a + (b - 2a + b)
= -a + 2b
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