Respuesta :
Answer:
the pair solution is : (10;5)
Step-by-step explanation
d + e = 15 ....(1)
–d + e = –5 ....(2)
add (1) and (2) : 2e =10
e = 5
put the value of : e in (1) or (2) : d + 5 = 15
d = 10
Answer:
the pair solution is : (10;5)
Step-by-step explanation
d + e = 15 ....(1)
–d + e = –5 ....(2)
add (1) and (2) : 2e =10
e = 5
put the value of : e in (1) or (2) : d + 5 = 15
d = 10