Explanation:
x + y = 14
this gives us
y = 14 - x
2x = y - 5
we use the first equation in the second
2x = 14 - x - 5 = 9 - x
3x = 9
x = 3
y = 14 - x = 14 - 3 = 11
the smallest number is 3 or 03.
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