18salimudahiri 18salimudahiri
  • 06-11-2017
  • Mathematics
contestada

what 3 times the absolute value of 5-4a -10=-1

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rgwoot
rgwoot rgwoot
  • 06-11-2017
3║5-2a║-10=-1
3║5-2a║-10+10=-1+10 addition property
3║5-2a║=9
3/3║5-2a║=9/3 division property
║5-2a║=3

Positive negative
5-2a=3 5-2a=-3
5-5-2a=3-5 5-5-2a=-3-5 subtraction property
-2a=-2 -2a=-8 simplified
-2/-2a=-2/-2 -2/-2a=-8/-2 division property
a=1 a=4

Solutions: a=1,4
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