Mathematics: Given the function f(x) = -5x + 1 + 3, for what values of x is f(x) = -12?

The greatest common factor for 12a is 1. The greatest common factor for 9a^2 is 1 as well...

Given the function f(x) = -5x + 1 + 3, for what - id5133449365, mattwe4567893987654

memorybuxton

07.01.2022

$x=\frac{16}{5}$

Step-by-step explanation:

The given function is

f(x) = -5x +1+3

Which can be rewritten also as

f(x) = -5x +4

We want to find the values of x for which

f(x) = -12

In order to do that, we just substitute -12 into f(x), and we solve the equation for x:

$-12 = -5x + 4\\-16 = -5x\\x=\frac{-16}{-5}=\frac{16}{5}$

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