Question

A triangle has sides with lengths of 5x-7,

3x-4, anol 2x-6. What is the perimeter of
the triangle

A 10x-17
B 6x-17
C 4x-9
D -7x

Answer 1

A. 10x -17

Explanation:

5x-7, 3x-4, and 2x-6.

combine like terms

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

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

10x -17

therefore the answer is A. 10x -17