juliannasanchez1 juliannasanchez1

02-10-2017
Mathematics

contestada

f (x)=4x-7 when f (x)=8

Respuesta :

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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