Respuestas
Respuesta dada por:
2
1)
![2x - ( - 3)x - ( - x) = 20 2x - ( - 3)x - ( - x) = 20](https://tex.z-dn.net/?f=2x+-+%28+-+3%29x+-+%28+-+x%29+%3D+20)
![2x + 3x + x = 20 2x + 3x + x = 20](https://tex.z-dn.net/?f=2x+%2B+3x+%2B+x+%3D+20)
![6x = 20 6x = 20](https://tex.z-dn.net/?f=6x+%3D+20)
![x = \frac{10}{3} x = \frac{10}{3}](https://tex.z-dn.net/?f=x+%3D++%5Cfrac%7B10%7D%7B3%7D+)
2)
![1 - 2 \times 1 - 2x + 5 = x + 2 1 - 2 \times 1 - 2x + 5 = x + 2](https://tex.z-dn.net/?f=1+-+2+%5Ctimes+1+-+2x+%2B+5+%3D+x+%2B+2)
![1 - 2 - 2x + 5 = x + 2 1 - 2 - 2x + 5 = x + 2](https://tex.z-dn.net/?f=1+-+2+-+2x++%2B+5+%3D+x+%2B+2)
![4 - 2x = x + 2 4 - 2x = x + 2](https://tex.z-dn.net/?f=4+-+2x+%3D+x+%2B+2)
![- 2x - x = 2 - 4 - 2x - x = 2 - 4](https://tex.z-dn.net/?f=+-+2x+-+x+%3D+2+-+4)
![- 3x = - 2 - 3x = - 2](https://tex.z-dn.net/?f=+-+3x+%3D++-+2)
![x = \frac{2}{3} x = \frac{2}{3}](https://tex.z-dn.net/?f=x+%3D++%5Cfrac%7B2%7D%7B3%7D+)
Espero que sirva salu2!!
2)
Espero que sirva salu2!!
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