Question

Qual o valor de x e y na seguinte igualdade de matriz:
$\left[\begin{array}{ccc}x+1&&3\\1&&x-y\\&&\end{array}\right] = \left[\begin{array}{ccc}10&&3\\1&&2\\&&\end{array}\right]$

Answer 1

x+1=10
x=10-1
x=9

x-y=2
9-y=2
-y=2-9
-y=-7
y=7