SOLUTION: 4(P-9)=64 The answer in the back states P=25 I can't figure out how they got this? Thanks for your help

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Question 210905This question is from textbook Practical Business Math
: 4(P-9)=64
The answer in the back states P=25
I can't figure out how they got this?
Thanks for your help This question is from textbook Practical Business Math

Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
4(P-9)=64
Strategy, isolate P:
.
Begin by dividing both sides by 4:
(P-9)=16
P-9 = 16
Add 9 to both sides:
P = 25
.