Answer:
38
Step-by-step explanation:
4*9 1/2=38
Hand written explanation:
4*9=36
4*1/2=4/2=2
36+2=38
The third one!
Step-by-step explanation: 5 5 5 5 its 5!
5x = 7x - 8
7x - 5x = 8
2x = 8
x = 8 ÷ 2
x = 4