-4x+y= -9 can be turned into
y= -9 + 4x
5x+2y=3 (plug y in)
5x+2(-9+4x)=3
5x-18+8x=3
5x+8x=3+18
13x=21
divide 13 on both sides
x=1.6
(4 feet wide), 12 feet in length. 4*3=12 4*12=48
Answer:
A:48 B:45
Step-by-step explanation:
Answer:
a
Step-by-step explanation: