Question

como resolver 8 x -7 - 4 x=74 - 5 x

Answer 1

8x - 7 - 4x = 74 - 5x

8x - 4x - 7 = 74 - 5x

4x - 7 = 74 - 5x

4x + 5x = 74 + 7

9x = 81

x = 81/9

x = 9

Solución : 

x = 9

Answer 2

Resolver.

8x - 7 - 4x = 74 - 5x
4x - 7 = 74 - 5x
4x + 5x = 74 + 7
9x = 81
x = 81/9
x = 9

Respuesta.
x = 9