Question

Givenf (x) = 2x – 14 , If f (x) = 10 then x = ?

Answer 1

10 = 2x-14

add 14 on both sides you get
24=2x
then divide by 2
x=12

Answer 2

Given that f(x) = 2x -14 and f(x) = 10 then

2x - 14 = 10

collect like terms

2x = 10 + 14

2x = 24

Divide both sides by 2

2x/2 = 24/2

x = 12