Respostas

2014-04-14T05:57:55-03:00
No enunciado pede-se o valor de x  
6(1 – x) + 4(x+2) = - x + 3
6-6x +4x+8 =- x+3
(6+8) +(4x-6x) =-x+3
14 -2x = -x+3
14-2x+x=3
14-1x = 3
x = 3-14
-x = -11
-x = -11
x=11


3 4 3