Respostas

2012-11-26T19:55:24-02:00

5x-3-2x=0

3x-3=0

3x=3

x=\frac{3}{3}

x=1

2 5 2
2012-11-26T22:18:37-02:00

5x-3-2.x=0

5x-3-2x=0

5x-2x=3

3x=3

x=3/3=1

1 5 1