Question

resolver la ecuacion : -6-7(8x-4)=-(7-9x)-(x-9)

Answer 1

Resolver.

- 6 - 7(8x - 4) = - (7 - 9x) - (x - 9)
- 6 - 56x + 28 = - 7 + 9x - x + 9
22 - 56x = 8x + 2
22 - 2 = 8x + 56x
20 = 64x
20/64 = x    Simplificas sacas 4ta
(20/4)/(64/4) = x
5/16 = x

Respuesta.
x = 5/16