7x4+2÷3x2÷4-3x4=
the answer ÷by 2

x^6

step-by-step explanation:

this is correct because:

x-6=0

0*x=0

so

x^6

4+n=5

step-by-step explanation:

this is because the four is four hours and the n represents the 1 extra hour over the weekend.

b= i'm srry i don't know that one.

4+n=5 n=1 because if vernon plays 5 hours a week then 4+1=5 hours.

hope this : )