Question

please answer for my question
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Answer 1

Answer:

1 - 3

2- 5

3- (-1)

4- 0

Step-by-step explanation:

Answer 2

Answer:

1)4x-3y+5

=4-6+5

=3

2)x²+y²

=1+4

=5

3)xy+3y-9

=2+6-9

=-1

4)2x-y

=2-2

=0

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