Respuesta:
2x-1 =x+2
2x-x =2+1
x=3
2x+1 = 5x-5
2x-5x = -5-1
-3x = -6
x = 2
x- 6 = 5x-2
X-5x = -2 +6
- 4x = 4
X=-1
6x -2 + x = 2x + 3
7x- 2= 2x+3
7x- 2x = 3 +2
5x = 5
X = 1
4x + 5+ x = 7+ 3x - 3
5x + 5 = 4 + 3x
5x - 3x = 4-5
2x = -1
x= -1/2
el último es x E R
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Respuesta:
2x-1 =x+2
2x-x =2+1
x=3
2x+1 = 5x-5
2x-5x = -5-1
-3x = -6
x = 2
x- 6 = 5x-2
X-5x = -2 +6
- 4x = 4
X=-1
6x -2 + x = 2x + 3
7x- 2= 2x+3
7x- 2x = 3 +2
5x = 5
X = 1
4x + 5+ x = 7+ 3x - 3
5x + 5 = 4 + 3x
5x - 3x = 4-5
2x = -1
x= -1/2
el último es x E R