Respuesta:
X+9=4.(X-3)
X+9=4X-12
9+12=4X-X
21=3X
X=21:3
X=7
3X=2.(4X-2)-5X
3X=8X-4-5X
3X-8X+5X= -4
0X = -4 SIN RESOLUCION.
11= 7.(2+X)
11=14+7X
11-14=7X
- 3 =7X
-3/7 = X
0=8-3.(X+1)
0= 8 - 3X + 3
0 = 5 - 3X
- 5= -3X
5/3 = X
5.(2X-4)+12=10X-8
10X-20+12=10X-8
10X-10X = 0
SIN RESOLUCION....
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Respuesta:
X+9=4.(X-3)
X+9=4X-12
9+12=4X-X
21=3X
X=21:3
X=7
3X=2.(4X-2)-5X
3X=8X-4-5X
3X-8X+5X= -4
0X = -4 SIN RESOLUCION.
11= 7.(2+X)
11=14+7X
11-14=7X
- 3 =7X
-3/7 = X
0=8-3.(X+1)
0= 8 - 3X + 3
0 = 5 - 3X
- 5= -3X
5/3 = X
5.(2X-4)+12=10X-8
10X-20+12=10X-8
10X-10X = 0
SIN RESOLUCION....