Respuesta:
1. w = 2 z = 1
2. a = 3 b = 2
Explicación paso a paso:
1. 2w-z=3
z =7-3w 3w + z = 7
2w - z = 3
3w + z = 7
5w = 10 w = 2 z = 1
2. 9-a=3b -a - 3b = -9
a-2b=-1
-a - 3b = -9
a - 2b = -1
-5b = -10 b = 2 a = 3
RPTA:
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Respuesta:
1. w = 2 z = 1
2. a = 3 b = 2
Explicación paso a paso:
1. 2w-z=3
z =7-3w 3w + z = 7
2w - z = 3
3w + z = 7
5w = 10 w = 2 z = 1
2. 9-a=3b -a - 3b = -9
a-2b=-1
-a - 3b = -9
a - 2b = -1
-5b = -10 b = 2 a = 3
RPTA:
1. w = 2 z = 1
2. a = 3 b = 2