Respostas

  • Usuário do Brainly
2014-08-24T21:49:57-03:00
4x - 2 + 6x = -12x + 66
4x + 6x - 12x = 66 + 2
-2x = 68
x =  \frac{68}{-2}
x = -34 
1 5 1
2014-08-24T22:40:54-03:00
4x-2+6x=12x+66
4x+6x+12x=66+2
22x=68
X=68/22
X=34/11