Answer:
x=1
Step-by-step explanation:
Substitute the value of y to the first given
3x+4(-x)=-1
3x+(-4x)=-1
-x=-1
divide both sides by -1
x=1
Answer:
.5 years
Step-by-step explanation:
52 weeks = 1 year
26 weeks * 1 year/52 weeks = .5 years
Answer:
I think 100$
Step-by-step explanation:
I can't be to sure
Answer:
x=4
Step-by-step explanation:
-(7-4x)=9
-7+4x=9
4x=16
x=4
Answer:1,230.5
Reason: just learn how to divide