Matrizes 2 ano ensino médio?
Calcule x, y e z tal que:
(2x z) - (1 7) = (3 2z)
(x-y 1) (7 1) (4 0)
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Calcule x, y e z tal que:
(2x z) - (1 7) = (3 2z)
(x-y 1) (7 1) (4 0)
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Verified answer
2x - 1 = 3
2x = 4
x = 2
x - y - 7 = 4
2 - y - 7 = 4
y = 2 - 7 - 4 = -9
z - 7 = 2z
z = -7
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