Question

$3x - 25 = \times - 5 \\ \\ 15x - 13 = 10x + 12 \\ \\ 12x - 17 = - 11 + 9x$
Ayuda por fa :'c​

Answer 1

3x - 25 = x - 5
3x - x = -5 + 25
2x = 20
x = 10
15x -13 = 10x + 12
15x - 10x = 12 + 13
5x = 25
x = 5
12x - 17 + -11 + 9x
12x - 9x = -11 + 17
3x = 6
x = 2