Question

Equação matricial
|1 1 1| |x| = |6|
|0 1 1| |y| = |5|
|0 0 1| |z|= |3|

Answer 1

Oi Mmbs

x + y + z = 6
y + z = 5
z = 3

y + 3 = 5
y = 2

x + 3 + 2 = 6
x = 1

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