Question

If f(4x +5) = 12x + 6, Find the value of f(x).

Answer 1

Answer:

$12(4x + 5) + 6$

$48x + 60 + 6$

$48x + 66$

$48x = - 66$

$x = \frac{ - 66}{48}$

$x = 1.3$