Answer:
I think D
Step-by-step explanation:
But hopes it helps
I Believe Its 9
9 * 3 = 27
9 * 4 = 36
Or
27 / 9 = 3
36 / 9 = 4
<u />(x/6) + 42 + (2x/5) - (8x/3) - 19
Change the denominators (numbers below the fraction bar to a to a common number for the three numbers: 6, 5, and 3... in other words to a number that is divisible by all three numbers)
(5x/30) + (12x/30) - (80x/30) + 23
(-63x/30) + 23
<u>
</u><u />And the answer is.....
<u>
(-21x/10) + 23</u>
The initial function is:

And we know that one solution is r=-2