yasso
yasso
20-09-2017
Mathematics
contestada
n-3-4n=21
( please solve)
Respuesta :
AnimeBrainly
AnimeBrainly
20-09-2017
N- 3 - 4n = 21
-3n = 24
n = -8
hope this helps
Answer Link
apologiabiology
apologiabiology
20-09-2017
remember, you can do anything to an equation as long as you do it to both sides
assuming N=n
1n-3-4n=21
1n-4n-3=21
-3n-3=21
add 3 to both sides
-3n=24
divide both sides by -3
n=-8
Answer Link
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