The answer is -5, -5 added by 5 cancels each other out. Then when you add 4x + 8x, you get 12x. So when you do 12x= -60, you get -5.
Answer:
Nice handwriting!
Step-by-step explanation:
I have no idea im only in 8th grade.
Answer:

Step-by-step explanation:
Here we gonna use the identity -

So using the identity here,

360 divided by x = 21.2 recurring
So rearrange that to get x = 360 divided by 21.2
Which rounds up to 17