ANAISABELLAMONGO
contestada

me ayudan por favor doy coronita plis:
a) X + (X + 3) =
b) x + 2x = 36 =
c) 2x + (2x + 2) = 38

Respuesta :

ABIGAIL200656GO

a) x + (x + 3)

= x + x + 3

R// =2x + 3

b) x + 2x = 36

= 3x = 36

= x = 36/3

R// = x = 12

c) 2x + (2x + 2) = 38

= 4x + 2 - 2 = 38 - 2

= 4x = 36

= x = 36/4

R// = x = 9

Suerte :)