Question

please


transactional solution​

Answer 1

Answer:

x-y=2.5

Step-by-step explanation:

√(2x-y-9)=-√(y-5)

  square both sides

2x-y-9=y-5

-2y=-2x-5

y=x-2.5

x-y-2.5=0

x-y=2.5

Answer 2

Answer:

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