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If f(x) = 4x - 7 and f(c) = 9, find the value of c.

To find the value of c, we need to find the value of x in the following: 4x - 7 = 9.

Add seven to both sides: 4x = 16

Divide by 4: x = 4

Andrew B. GCSE Chemistry tutor, A Level Chemistry tutor, GCSE Maths t...

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Answered by Andrew, who tutored GCSE Maths with MyTutor


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