Respuesta :
7x - 2x - 10 = 25x + 45
5x - 10 = 25x + 45
5x - 25x = 45 + 10
- 20x = 55
x = -55/20 = -11/4
5x - 10 = 25x + 45
5x - 25x = 45 + 10
- 20x = 55
x = -55/20 = -11/4
7x - 2x - 10 = 25x + 45
25x -7x + 2x = -45 -10
20 x = -55
x = -55/20
x = -11/4
25x -7x + 2x = -45 -10
20 x = -55
x = -55/20
x = -11/4