Answer:
brueh what im confused
Step-by-step explanation:
2x + 4x - 21 = 0
6x - 21 = 0
6x = 21
x=3.5
4 is a coefficient and X and Y are variables so the -110 is the constant so there for the answer is D
13, start with 24, right? 24 plus 6 is 30. 30 minus 12 is 18. 18 minus 5 is 13.
