Answer:
The expression in the form 
Step-by-step explanation:



So the expression becomes


Add the numbers: 2+6=8

Therefore, the expression in the form 
Answer:
115 - 90 = 25
Step-by-step explanation:
115 - 90, which is equal to 25, is less than or equal to x!
You do
10x30 + 10x2 + 5x30 +5x2