A triangle has sides 3x + 7, 4x – 9, and 5x + 6. Find the equation that represents its perimeter
I believe you put each equation which represents a side in parenthesis:
(3x + 7) + (4x – 9) + (5x + 6)
I believe you put each equation which represents a side in parenthesis:
(3x + 7) + (4x – 9) + (5x + 6)