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egoroff_w
[7]
3 years ago
14
F (x)=4x-7 when f (x)=8
Mathematics
Answer
Comment
Send
1
answer:
MrRa
[10]
3 years ago
6
0
Since both are equivalent to f(x), 4x-7 must equal 8
4x-7=8
Add 7 to both sides
4x= 15
Divide both sides by 4
x=15/4
Final answer: x=15/4
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