Seudónimo Seudónimo
  • 11-01-2017
  • Mathematics
contestada

Simplify 4a-2b+9a-4+7a+3

Simplify 4a2b9a47a3 class=

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Аноним Аноним
  • 11-01-2017
4a-2b+9a-4+7a+3
= 20a -2b -1

hope it helps
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