Answer:
Step-by-step explanation:
Ghbkhbjhbjhbh
a) and , b) and , c) and , d) and , e) and , f) and , g) and , h) and .
Each system is solved as follows (Cada sistema es resuelto como sigue):
a) and
b) and
c) and
d) and
e) and
f) and
g) and
h) and