anon30
anon30 anon30
  • 04-05-2017
  • Mathematics
contestada

6(5+a)-9=28a

Please solve

Respuesta :

irspow
irspow irspow
  • 04-05-2017
perform indicated multiplication on left side to get:

30+6a-9=28a  combine like terms on left side...

6a+21=28a  subtract 21 from both sides...

6a=28a-21  subtract 28a from both sides...

-22a=-21  divide both sides by -22

a=21/22
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jessieg jessieg
  • 04-05-2017
a=27/22 or 1 5/22 or 1.23                               
Answer Link

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