Question

TOTAL PERIMETER OF A TRIANGLE
= 10x +4
A= 3×+1
B= 5x-2
C=?

Answer 1

Assuming that A, B, and C are the sides of the triangle, then

A + B + C = 10x + 4
3x+1 + 5x-2 + C = 10x + 4
C = 10x + 4 - 3x - 5x - 1 + 2
= 2x + 5