Find the value of ‘x’ and ‘y’ if:

2[[x,7],[9,y−5]] + [[6,−7],[4,5]] = [[10,7],[22,15]].

So: [[2x+6,7],[22,2y−5]] = [[10,7],[22,15]].

2x+6 = 10 x = 2.

2y−5 = 15 y = 10.

Answer: x=2, y=10.

Multiply the first matrix by 2, add corresponding entries, then equate corresponding entries.