Answer:
19y - 7y = 1 + 4(x+2x)
y = 1/12 + x
x = y - 1/12
I hope this helps!
n+p=4.50
n=2p
2p+p=4.5
2p=4.5
p=$1.5
n=$3
Step-by-step explanation:
18.000054