Seudónimo Seudónimo
  • 23-03-2017
  • Mathematics
contestada

4n+?=20 please help me

Respuesta :

callpepp
callpepp callpepp
  • 23-03-2017
4×2=8 so n=2 and 8+12=20 so ?=12
Answer Link
lisee7 lisee7
  • 23-03-2017
Put. -4n+20 in the ? Because 4n+?=20
4n+ -4n+20=20
The 4n cancel and both sides equal 20 for the check

Answer Link

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