Respuesta:
5x = 8x - 15
5x - 8x = -15
- 3x = -15
x = -15
-3
x= 5
7x -2 > 3x -14
7x -3x > -14 + 2
4x > - 12
x > -12
4
x > -3
18 - x = x -12
18 + 12 = x + x
30 = 2x
30 = x
2
x= 15
4 ( x - 3) -8 < 5 - x
4x -12 -8 < 5 - x
4x + x < 5 + 12 + 8
5x < 15
x < 15
5
x < 3
creo q es así !!! suerte
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Respuesta:
5x = 8x - 15
5x - 8x = -15
- 3x = -15
x = -15
-3
x= 5
7x -2 > 3x -14
7x -3x > -14 + 2
4x > - 12
x > -12
4
x > -3
18 - x = x -12
18 + 12 = x + x
30 = 2x
30 = x
2
x= 15
4 ( x - 3) -8 < 5 - x
4x -12 -8 < 5 - x
4x + x < 5 + 12 + 8
5x < 15
x < 15
5
x < 3
creo q es así !!! suerte