CF=EC=DC
2CF=CD
CD = 20 in.
Answer:
x=4 y=8
Step-by-step explanation:
y=2x
y=12-x
Substituiting y value from first equation into second equation.
2x=12-x
3x=12
x=4
y=2(4)=8
y=12-4=8
Answer:
x=2;y=2
Step-by-step explanation:
2x+y=6..........1
3x-y=4............2
adding equation1 with equation 2
2x+y+3x-y=6+4
5x=10
x=10/5=2
substituting vslue of y in equation 1
2×2+y=6
y=6-4
y=2
Answer: Steve bought 4 new video games, and he spent $216
Step-by-step explanation: Because 54x4=216
I hope this helped