Respuesta:
1. y + y = 5 5x + 2x = 3
2. y + y = 12 2x - x = 9
Explicación paso a paso:
1. 2y = 5, y = 5/2, y = 2.5
7x = 3, x = 3/7, x = 2.3
2. 2y = 12, y = 12 /2 y = 6
2x - x = 9 x = 9
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Respuesta:
1. y + y = 5 5x + 2x = 3
2. y + y = 12 2x - x = 9
Explicación paso a paso:
1. 2y = 5, y = 5/2, y = 2.5
7x = 3, x = 3/7, x = 2.3
2. 2y = 12, y = 12 /2 y = 6
2x - x = 9 x = 9