Answer:
6
Step-by-step explanation:
2x + 7 = 19
-7 -7
2x = 12
12/2 = x
6 = x
20 25 35 40 50
4 5 7 8 10
step-by-step Explaination:
20÷4=5 so 5 photos every minute
5×5=25
35÷5=7
5×8=40
50÷5=10
Answer: Is this a legitimate question?