Seudónimo
Seudónimo
23-03-2017
Mathematics
contestada
4n+?=20 please help me
Respuesta :
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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