Find the value of x+y from the following equation: 2(130x) + (y012) = (5618)

Consider,
2(130x) + (y012) = (5618)
(260x) + (y012) = (5618)
Equating the matrices we get the values of x and y as follows:
2 + y = 5 ⇒ y = 3
2x + 2 = 8 ⇒ 2x = 6 ⇒ x = 3
Therefore, x + y = 3 + 3 = 6
Hence x + y = 6.