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izzyaxe izzyaxe
  • 08-12-2016
  • Mathematics
Answered

35a+140-15a=21a+147 can u solve this I'm having some trouble

Verified Answer :

Anonymous Anonymous
  • 08-12-2016

I'm pretty sure a = -7

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sallemagrahamsally
sallemagrahamsally sallemagrahamsally
  • 08-12-2016

35a+140-15a=21a+147
 group like terms: 35a-15a-21a=147-140
                             -1a                  7
                              ----               =-----
                               -                     -
                                a                  = -7

Answer Link

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