-6x=19+17
-6x=36 /(-6)
x=-6
Answer: 693
it is 693 because...
I couldn't really explain with words so I gave you a step by step of my work.
When it asks this question, ultimately you want to plug 11 into x because its f(x). 11=-2+5.
Then you subtract 5 on both sides because of the opposite of addition is subtraction.
6=-2x
now divide on both sides
x=-3
55 degrees
The supplementary angle is 55 because 180-125=55
Then subtract the interior angles 180-75-55=55
There are 62.5 pounds of rib eye steaks at the supermarket