Answer:
Explanation:
Perimeter of a triangle is the three sides added together:
(x + y) + (3y + 4z) + (2x - z)
Simplify:
x + y + 3y + 4z + 2x - z
Rearrange to get like terms together:
x + 2x + y + 3y + 4z - z
3x + 4y - 3z
8.8m questions
11.4m answers