Math
Solve for each system: 4a+b+3v = 31, 4a+b = 25, 5a=30

Asked by
AnneS2
Last updated by
anonymous
5a=30
5a/5=30/5
a=6
4a+b = 25
4(6)+b = 25
24+b = 25
24+b -24= 25-24
b=1
4a+b+3v = 31
4(6)+1+3v = 31
24+1+3v = 31
25+3v = 31
25+3v-25 = 31-25
3v=6
3v/3=6/3
v=2