Question

F(x) =5x+50 if f(x)=20 x =?

Answer 1

In this case, we'll have to carry out several steps to find the solution.

Step 01:

Data:

f(x) = 5x + 50

f(x) = 20

x = ?

Step 02:

function:

20 = 5x + 50

20 - 50 = 5x

- 30 = 5x

- 30 / 5 = x

- 6 = x

The answer is:

x = - 6