Question

2 ( x - 15 ) = 8 . 9

Answer 1

Resolver.

2(x - 15) = 8 . 9

2x - 30 = 72

2x = 72 + 30

2x = 102
 
  x = 102/2
 
  x = 51

Answer 2

Resolver.

2(x - 15) = 8 . 9
2x - 30 = 72
2x = 72 + 30
2x =105
x = 102/2
x = 51

Respuesta.
x = 51