Respuesta:
a = -2
b= 1
Explicación paso a paso:
3a + 6b = 0
2a − 3b = −7
despejamos "a"
a = -6b/3
a = (-7 + 3b)/2
igualamos
-6b/3 = (-7 + 3b)/2
(-6b)2 = (-7 + 3b)3
- 12b = - 21 + 9b
21 = 21b
1 = b
reemplazamos
a = -6(1)/3
a = -6/3
a = - 2
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Respuesta:
a = -2
b= 1
Explicación paso a paso:
3a + 6b = 0
2a − 3b = −7
despejamos "a"
a = -6b/3
a = (-7 + 3b)/2
igualamos
-6b/3 = (-7 + 3b)/2
(-6b)2 = (-7 + 3b)3
- 12b = - 21 + 9b
21 = 21b
1 = b
reemplazamos
a = -6b/3
a = -6(1)/3
a = -6/3
a = - 2