Respostas

2013-12-03T16:00:25-02:00
-15-11x=-9-3x
3x-11x=-9+15
-8x=5
x= - 5/8
  • Usuário do Brainly
2013-12-03T16:05:55-02:00
-15 - 11x = -9 - 3x
-11+3x=15-9
-8x=6 (-1)
8x=6
x= 
 \frac{6 ^{:2}}{8^{:2}} \\\\ \frac{3}{4}