juliannasanchez1
juliannasanchez1
02-10-2017
Mathematics
contestada
f (x)=4x-7 when f (x)=8
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kphung76127
kphung76127
02-10-2017
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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