Respuesta:
c) 3x + 2y =13
d) pedro = x , yo =2x
2x + x = 9 ---- 3x = 9 ---- x = 3
e) 2x =18
Explicación paso a paso:
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Respuesta:
c) 3x + 2y =13
d) pedro = x , yo =2x
2x + x = 9 ---- 3x = 9 ---- x = 3
e) 2x =18
Explicación paso a paso: