So the given angles are supplementary (add to 180). You take the two and add them. 21x+5+37x+1. This gets set to equal 180. 58x+6=180. Subtract 6 from both then divide by 58. You get x=3
Answer:
7n-6=-20
Step-by-step explanation:
six less than seven times a number
we'll use n as "the number"
six less meaning -6
7 times a number n = 7n
7n-6=-20
35 songs/7 songs= 5 CDs
5-3=2 CDs left after they sold 3
Answer:
For the first box, the answer is 3.
For the second box, the answer is -1.
For the third box, the answer is 0.
I hope this helped!