Respostas

2014-06-22T15:25:10-03:00
Aplicando a propriedade distributiva:
5(x-3)-4(x+2)=2+(1-2x)
5x-15-4x-8=2+1-2x
5x-4x+2x=2+1+15+8
3x=26
x=26/3
    

1 5 1
2014-06-22T15:30:59-03:00
5x-15-4x-8=2+1-2x
5x-4x+2x=2+1+15+8
3x=26
x=26/3

x=8,666
1 5 1