xXTalentedKittyXx
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  • 17-03-2018
  • Mathematics
contestada

what is 9 - 4 (-a + 9) + 3 (7- 2a)

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SSJBlue
SSJBlue SSJBlue
  • 17-03-2018
1) 9+4a-36+21-6a 2) -2a-6 3) -2a=6 4) a=-3
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