4 logx + 8 logy = 5
6 logx - 6 logy = -3 (divide both sides by 6)
logx - logy = -1/2
logx = logy - 1/2 (plug into the first eq)
4(logy - 1/2) + 8logy = 5
4logy - 2 + 8logy = 5
12logy = 7
logy = 7/12
y = 10^(7/12) ~ 3.831
logx = logy - 1/2 = 1/12
x = 10^(1/12) ~ 1.212