Answer:
x > 4 or 4<x
Step-by-step explanation:
12<8+x
You can rewrite it for easier look:
8+x>12
Suvtract 8 from both side:
8+x-8>12-8
0+x > 4
x > 4 or 4<x
Hope this help you :3
By the order of operations, it can be written as
(6*7)-(3^2)*9+(4^3)
Then do it
42-9*9+64=25