Answer: im going to use my own variables so it's more understandable for me
1: 2p + d = 7.5
2: p + d + 3c = 6
3: p - 2c = 2
(2p + d) - (p + d + 3c) = 1.5
2p + d - p - d - 3c = 1.5
p - 3c = 1.5
2p - 6c = 3
4p - 12c = 3p - 6c
p = 6c
4c = 2
c = 0.5
p - 1 = 2
p = 3
3 + d + 1.5 = 6
3 + d = 4.5
d = 1.5
so
x = 3
y = 1.5
z = 0.5
please give brainliest