Question

conjunto solucion de x-3(180-x)=20

quien me ayudaaaa

Answer 1

Usa propiedad distributiva.
x -3 (180 -x) = 20
x -540 +3x = 20
4x = 560
x = 140

Answer 2

Resolver.

x - 3(180 - x) = 20
x - 540 + 3x = 20
4x - 540 = 20
4x = 540 + 20
4x = 560
x = 560/4
x = 140

Respuesta.
x = 140