Question

If the perimeter of a triangle is 7x + 13, and two sides measure -6x + 12 and 5x – 5. Find the missing side.

Answer 1

6x+20

Explanation:

7x+13= (-6x+12) + (5x-5) + y

7x+13= -1x+ 7 + y

6x+20=y

I hope im right!