Answer:
If x-y=9 is a true equation, we can substitute this equation into 5+x−y to find its value.
5 + x - y
= 5 + x - (x - 9) (since x - y = 9)
= 5 + x - x + 9
= 5 + 9
= 14
So, the value of 5 + x - y would be 14 if x-y=9 is a true equation.
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