Question

21-6x = 27-8x

11x+5x-1 = 65x - 36

Gracias.

Answer 1

A.)
21 - 6x = 27 - 8x
-6x + 8x = 27 - 21
2x = 6
x = 6/2
x = 3

B.)
11x + 5x - 1 = 65x - 36
11x + 5x - 65x = -36 + 1
- 49x = 35
x = - 49/35
x = - 9/5

Espero que te sirva, Saludos!!