Can someone help me with all of these please if you could please answer like this
1) Answer
2) Answer
Etc....





Answer:
17) 53°
18) 113°
19) 4
20) 7
Step-by-step explanation:
19) 21x + 6 = 90
21x = 84
x = 4
20) 11x - 2 = 75
11x = 77
x = 7