What is the value of 3/4 kx3-9 when k=3?

1 Answer
Aug 7, 2018

-33/4

Explanation:

3/4k xx 3 - 9

When, k = 3

We substitute the given value of k into the equation;

Using PEMDAS..

3/4color(blue)((3)) xx 3 - 9

3/4 xx 3/1 xx 3 - 9

3/4 xx cancel3/1 xx cancel3 - 9

3/4 xx 1 - 9

3/4 - 9

3/4 - 9/1

Collecting like terms;

(3 - 36)/4

-33/4