1) 3x - 5x = x + 3
-2x = x + 3
-2x - x = 3
-3x = 3
x = -1
2) x + 2 = 6
x = 6 - 2
x = 4
3) x - 1 = 3x + 3
x - 3x = 3 + 1
- 2x = 4
x = - 2
4) 2 + z - 5 = - z + 3 - 4z
- 3 + z = - 5z + 3
z + 5z = 3 + 3
6z = 6
z = 1
5) 3x - 1 = 2 + x
3x - 1 = 2 + 1
2x = 3
x = 3/2
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Respuesta:
1) 3x - 5x = x + 3
-2x = x + 3
-2x - x = 3
-3x = 3
x = -1
2) x + 2 = 6
x = 6 - 2
x = 4
3) x - 1 = 3x + 3
x - 3x = 3 + 1
- 2x = 4
x = - 2
4) 2 + z - 5 = - z + 3 - 4z
- 3 + z = - 5z + 3
z + 5z = 3 + 3
6z = 6
z = 1
5) 3x - 1 = 2 + x
3x - 1 = 2 + 1
2x = 3
x = 3/2