write an algebraic expression that could be used to represent the perimeter of the triangle below. write the expression in simplest form.
triangle
3x+1 3-x
2x+4
A: 6x+2
B: 5x-8
C: 4x+8
D: 6x-2
2 answers
3x+1 + 3-x + 2x+4 = 4x+8.
6x+3