6+9=15
y+9=x
x=30
y+9=30
y=21
Answer:
Vertices- 5
Faces- 5
I think it’s 15..
cause you replace the x with -5 and solve the problem
I think that’s the answer
Answer:
y=1
Step-by-step explanation:
5y + 4 = 4y + 5 4y + y + 4 = 4y + 4 + 1 4y + 4 + y = 4y + 4 + 1 Kill the similar parts from both sides y = 1