August 2018 1 25 Report
1) El valor de X en la ecuación: X/8 = 1/2 , es:

4
8
2
3

2) Hallar el valor de X , Y en la ecuaciones x + y = 40 x - y = 20 , es:

x = 30 , y = 10
x = 20 , y = 20
x = 10 , y = 30
x = 25 , y = 15
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