susagfilsakoh
susagfilsakoh susagfilsakoh
  • 09-06-2016
  • Mathematics
contestada

4a + 9=(-9+30-25) B.

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melhunt99
melhunt99 melhunt99
  • 09-06-2016
4a+9=(-9+30-25). 4a+9=30-34. 4a+9=-4. 4a=-13. A=-3.25 :)
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