Respuesta:
a + b = -7
Explicación paso a paso:
(x, y) = (b, 0)
(-3, 0) = (b, 0)
-3 = b
(x, y) = (0, a)
(0, -4) = (0, a)
-4 = a
a + b = -3 + -4
= -3 - 4
= -7
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Verified answer
Respuesta:
a + b = -7
Explicación paso a paso:
(x, y) = (b, 0)
(-3, 0) = (b, 0)
-3 = b
(x, y) = (0, a)
(0, -4) = (0, a)
-4 = a
a + b = -3 + -4
= -3 - 4
= -7