Solve for each system: 2b+5v+4x = 44, 3b+4v = 33, 5b=15

5b=15

5b/5=15/5

b=3

3b+4v = 33

3(3)+4v = 33

9+4v = 33

9+4v -9= 33-9

4v=24

4v/4=24/4

v=6

2b+5v+4x = 44

2(3)+5(6)+4x = 44

6+30+4x = 44

36+4x = 44

36+4x-36 = 44-36

4x=8

4x/4=8/4

x=2