Question

ecuacion lineal 9(2x-6)-(x+3)=4x-18

Answer 1

Resolver.

9(2x - 6) - (x + 3) = 4x - 18
18x - 54 - x - 3 = 4x - 18
17x - 57 = 4x - 18
17x - 4x = - 18 + 57
13x = 39
x = 39/13
x = 3

Respuesta.
x = 3

Answer 2

18x-54-x-3=4x-18

18x-4x-x=-18+54+3

13x=39

x=39÷13

x=3