Solve for each system: a+3v+4y=36, a+3v = 24,4a=24

4a=24

4a/4=24/4

a=6

a+3v = 24

6+3v = 24

6+3v-6 = 24-6

3v=18

3v/3=18/3

v=6

a+3v+4y=36

6+3v+4(6)=36

6+3v+24=36

3v+30=36

3v+30-30=36-30

3v=6

3v/3=6/3

v=2