Respuesta :

Part A:

Answer: p = 18. because. 18 + 7 is 25.

Part B:

Answer: n = -7

Answer:

a- p=18// b- b=-7

Step-by-step explanation:

a- 25-7 to isolate the p is 18

b- -20= (2n-6)//add 6 to isolate the n by itself// -14=2n//divide by 2 to simplify//n=-7

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