SOLUTION: If f(x)=(x-5A)/(-5x+1) and f(-5)=-15, what is the value of A?

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Question 964422: If f(x)=(x-5A)/(-5x+1) and f(-5)=-15, what is the value of A?
Answer by macston(5194)   (Show Source): You can put this solution on YOUR website!
-15=((-5)-5A)/(-5(-5)+1)
-15=(-5)-5A/26
-390=(-5)-5A
-385=-5A
77=A
ANSWER: The value of A is 77.

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