miyahbrazy miyahbrazy
  • 21-03-2018
  • Mathematics
contestada

1) 7+a=15



2) 23=d+44



3) 28=n-14



4) T-22=-31

Respuesta :

corvette15401 corvette15401
  • 21-03-2018
Hi, I'd be glad to help. 

1) a = 8

2) d = (-21) 

3) n = 42

4) t = (-9)
Answer Link
XXSavageForLifeXX
XXSavageForLifeXX XXSavageForLifeXX
  • 21-03-2018
1.7+a=15
subtract 7
a=8
2. 23=d+44
subtract 44
-21=d
3. 28=n-14
add 14 
n=42
4.T-22=-31
add 22
t= -9

Answer Link

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