Question

Ayuda porfa no entiendo

Answer 1

Respuesta:

8x - 9 = x+5

8x - x = 5 + 9

7x = 14

x= 14/7

x=2

7x + 5 = x -6

7x - x = -6 -5

6x = - 11

x= -11 /6

$\frac{x-5}{4 } - \frac{x-7}{2 } = 5-x \\\\x-5 - 2x+14 = 20 - 4 x \\\\x-2x+4x= 20-14+5\\\\3x = 11\\\\x= \frac{11}{3}$