Question

Given the function f(x) = 7x + 2, find x when f(x) = 31.
0
Plz help

Answer 1

x =
`(29)/(7)`

Explanation:

Given f(x) = 7x + 2 and f(x) = 31 then equate the right sides

7x + 2 = 31 ( subtract 2 from both sides )

7x = 29 ( divide both sides by 7 )

x =
`(29)/(7)`