Verified Answer :

BMdNasim

if we add the equations it looks like
-5y + 8x + 5y + 2x = -18+58
so 10x=40
so x=40/10=4
now let's replace x by 4 in the second equation
5y +24=58
5y=58-24=58-8=50
so y=50/5=10
so (x, y) = (2, 10)

the answers are x=4 and y=10

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