Question

Calcule o valor de x e y nas seguintes igualdades:
$\left[\begin{array}{ccc}-3&x\\4&-1\\\end{array}\right] + \left[\begin{array}{ccc}y&-5\\3&1\\\end{array}\right] = \left[\begin{array}{ccc}8&1\\7&0\\\end{array}\right]$
 

Answer 1

Ola Raina

-3 + y = 8

y = 11

x - 5 = 1

x = 6