Respostas

2014-04-28T15:46:47-03:00
2(x -25,3) = 70,5 -3(x -14,8)
2x -50,6 = 70,5 -3x +29,6
2x +3x = 70,5+29,6 +50,6
5x = 150,7
x = \frac{150,7}{5}
x = 30,14
4 3 4