April 2019 1 26 Report
Resolución de sistemas de ecuaciones

2x + 3y = 1
-x + y = -3

Seleccione una:
a. x=-1, y=2
b. x=-2, y=-1
c. x=1, y=2
d. x=2, y=-1


x+y = 100
x- y = 12

Seleccione una:
a. x=-56, y=44
b. x=44, y=56
c. x=-44, y=56
d. x=56, y=44


2x-y=6
x+ 2y= 3

Seleccione una:
a. x=-3, y=0
b. x=0, y=-3
c. x=3, y=0
d. x=0, y=3
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