anon356 anon356
  • 26-09-2016
  • Mathematics
contestada

9l9-8xl=2x+3 check for extraneous solutions

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peterbiltkid379
peterbiltkid379 peterbiltkid379
  • 26-09-2016
what level is this?
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princesswilliapdtngo
princesswilliapdtngo princesswilliapdtngo
  • 23-08-2018

9-(9-8x)=2x+3

simplify -72x+81=2x+3

subtract 2x from both sides -74x+81=3

subtract 81 from both sides -74x=-78

divide by -74 on both sides x=39/37

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