Respuestas

2013-04-02T20:15:00+02:00

1 ) x = 47 - 7 / 5 = 40 / 5 = 8

2) x = 3.4 = 12

3) x = -6 /3 = -2

4) x = 20 / 4 = 5

5) 2x = 3.4 => x = 12 / 2 = 6

6) -2x = 3.5  => x = 15/-2 = -7,5

7) X = 3.5 = 15

8) 4X = 6.12 => X= 72/ 4 = 18

9) x = -4 -2 +6 => X = 0

10) 5x - 2x = 16 -4 => 3x=12 => x= 12/3 = 4