Respuesta:
a. (3;5)
Explicación paso a paso:
x + 3y = 18.....A
x + 2y = 13.....B
B× -1
x + 3y = 18
x + 2y = 13
x = 3
y =5
espero q te ayude....
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Respuesta:
a. (3;5)
Explicación paso a paso:
x + 3y = 18.....A
x + 2y = 13.....B
B× -1
x + 3y = 18
x + 2y = 13
x = 3
y =5
espero q te ayude....