Question

A triangle has sides with lengths of 5x-7, 3x-4, and 2x-6. What is the perimeter of the triangle?

Answer 1

(5x-7)+(3x-4)+(2x-6)

=5x-7+3x-4+2x-6

=[5x+3x+2x]+[(-7)+(-4)+(-6)]

=10x-17

⇒The perimeter of the triangle: 10x-17.