For the function y = -0.3x-9, find the value of x at which y = -6.

univerkov | September 2, 2021 | education

In order to find the value of x at which y = -6, it is necessary to substitute this value into the existing function, and we get:

-6 = -0.3x – 9.

Now we transfer the numbers to the left side, and leave x on the right side:

-6 + 9 = -0.3x,

3 = -0.3x,

x = 3 / (-0.3),

x = -10.

One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.