Question

Determine the perimeter of the triangle.
3x
x + 6
5x – 7

Answer 1

9x-1

Explanation:

The perimeter of the triangle is adding up all 3 sides.

(3x)+(x+6)+(5x-7)=P

9x-1 = perimeter

All I have done is combine like terms.

If there is a... x = something, replace x with the number.