20-10-2020
Mathematics

contestada

let f(x) = 5x + 6
if f(x) = 31, find x

Respuesta :

aily0512 aily0512

20-10-2020

Answer:

x=5

Step-by-step explanation:

If both are equal to f(x), set the two equations equal to eachother.

5x+6=31

Isolate for x.

5x= 25

x= 5

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