Seudónimo Seudónimo
  • 23-02-2016
  • Mathematics
contestada

What is (9x + 5) - (6x - 8)?
What is (4x + 10) - (-3x + 5)?

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Аноним Аноним
  • 23-02-2016
(9x+5) - (6x-8) = 9x+5 - 6x+8 = (9x-6x) + (5+8) = 3x+13

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(4x+10) - (-3x+5) = 4x+10 + 3x-5 = (4x+3x) + (10-5) = 7x+5
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bellaluna713
bellaluna713 bellaluna713
  • 23-02-2016
For the first on it is 3x-3 and the second is 1x+15 Hope this helps :)
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