Answer:
x=58/9 fraction x=6 4/9
Step-by-step explanation:
2(x+y)=24(x=rows and y=col)
x+y=12
now x could 1,2,3,4,5,6,7,8,9,10,11 and y could be 11,10,9,8,7,6,5,4,3,2,1 respectively
Option B is not an equation since it doesn't have the "=" sign. [It's an expression]
Hope it helps!