Answer:
7m +3
Step-by-step explanation:
To find the perimeter of a triangle, we add up all the sides
m + 3m + 3m+3
Combine like terms
7m +3
Answer:
No solution
Step-by-step explanation:
3 x + y = 4 (1)
− 3 x − y = − 8 (2)
Add (1) and (2)
0 + 0 = -4
0 = -4 is a false statement
So, no solution
The brain is about 1500kg when your about the age of fifteen
