6x + 8/2 + 5 = 5x/3
6x + 4 + 5 - 5x/3 = 0
6x + 9 - 5x/3 = 0
(13/3)x + 9 = 0
x = -9 / (13/3) = -(27/13)
(x - 5)² = (x + 10)²
x² - 10x + 25 - (x+10)² = 0
x² - 10x + 25 - (x² + 20x + 100) = 0
x²- 10x + 25 - x² - 20x - 100 = 0
-10x + 25 - 20x - 100 = 0
-30x - 75 = 0
- 30x = 75
x = -75 / 30 = - 2.5
(x + 10)² = (5 - x)²
x² + 20x + 100 - (5 - x)² = 0
x² + 20x + 100 - (25 - 10x + x²) = 0
x² + 20x + 100 - 25 + 10x - x² = 0
x² + 20x + 75 + 10x - x² = 0
x² + 30x + 75 - x² = 0
30x + 75 = 0
30x = -75
x = -75/30 = -2.5.