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a) and  , b) and , c) and , d) and , e) and , f) and , g) and , h) and .

Step-by-step explanation:

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

answer: options

step-by-step explanation:

answer: its the third option.

step-by-step explanation:

i just took the test.