Answer:
2
Explanation:
5p - 1 =9
5p =9 +1
5p =10
p=10 :5
p=2
Transposing means doing the same thing to each side to find an unknown value.
5p - 1 = 9
Add 1 to both sides.
5p = 10
Divide both sides by 5
p = 2
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