Answer:
The answer D) because you add the same variable's which leave you with 2x-4
Step-by-step explanation:
first do positive 7-4-1=2. after that do the variables which get you 2x+1x+1x=4x
The answer D
hope this helps :)
If 4 hole need to complete in 25 minutes than 1 hole need to fine in how many minute
Than 25÷4=6.25 one hole
6.25×13= 81.25
