Respuesta :

Answer:

23

Step-by-step explanation: Substitute 1 for p & 7 for q

7 − 5p + 3q

7 - 5(1) + 3(7)

7 - 5 + 21

7 + 16

23


Hope this helps you!!! :)

7-5(1)+3(7)

7-5+21

2+21

The answer is 23

Hope I helped!

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