3x - 4y = 7
3x + 2y = -5
when the second equation is subtracted from the first, the resulting equation is

the answer is -6y =12

Step-by-step explanation:

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 : )