Respuestas
Respuesta dada por:
1
Resolver.
![a) a)](https://tex.z-dn.net/?f=a%29)
![\frac{2x}{5} + \frac{x}{10} = \frac{x}{15} + \frac{13}{1} \frac{2x}{5} + \frac{x}{10} = \frac{x}{15} + \frac{13}{1}](https://tex.z-dn.net/?f=+%5Cfrac%7B2x%7D%7B5%7D+%2B++%5Cfrac%7Bx%7D%7B10%7D+%3D++%5Cfrac%7Bx%7D%7B15%7D+%2B++%5Cfrac%7B13%7D%7B1%7D+)
![\frac{2x*2}{5*2} + \frac{x}{10} = \frac{x}{15} + \frac{13}{1} \frac{2x*2}{5*2} + \frac{x}{10} = \frac{x}{15} + \frac{13}{1}](https://tex.z-dn.net/?f=+%5Cfrac%7B2x%2A2%7D%7B5%2A2%7D+%2B++%5Cfrac%7Bx%7D%7B10%7D+%3D++%5Cfrac%7Bx%7D%7B15%7D+%2B++%5Cfrac%7B13%7D%7B1%7D+)
![\frac{4x}{10} + \frac{x}{10} = \frac{x}{15} + \frac{13}{1} \frac{4x}{10} + \frac{x}{10} = \frac{x}{15} + \frac{13}{1}](https://tex.z-dn.net/?f=+%5Cfrac%7B4x%7D%7B10%7D+%2B++%5Cfrac%7Bx%7D%7B10%7D+%3D++%5Cfrac%7Bx%7D%7B15%7D+%2B++%5Cfrac%7B13%7D%7B1%7D+)
![\frac{4x+x}{10} = \frac{x}{15} + \frac{13}{1} \frac{4x+x}{10} = \frac{x}{15} + \frac{13}{1}](https://tex.z-dn.net/?f=+%5Cfrac%7B4x%2Bx%7D%7B10%7D+%3D++%5Cfrac%7Bx%7D%7B15%7D+%2B++%5Cfrac%7B13%7D%7B1%7D+)
![\frac{5x}{10} - \frac{x}{15} = \frac{13}{1} \frac{5x}{10} - \frac{x}{15} = \frac{13}{1}](https://tex.z-dn.net/?f=+%5Cfrac%7B5x%7D%7B10%7D+-++%5Cfrac%7Bx%7D%7B15%7D+%3D++%5Cfrac%7B13%7D%7B1%7D+)
![\frac{(5x)(15)-(10)(x)}{10*15} = \frac{13}{1} \frac{(5x)(15)-(10)(x)}{10*15} = \frac{13}{1}](https://tex.z-dn.net/?f=+%5Cfrac%7B%285x%29%2815%29-%2810%29%28x%29%7D%7B10%2A15%7D+%3D++%5Cfrac%7B13%7D%7B1%7D+)
![\frac{75x-10x}{150} = \frac{13}{1} \frac{75x-10x}{150} = \frac{13}{1}](https://tex.z-dn.net/?f=+%5Cfrac%7B75x-10x%7D%7B150%7D+%3D++%5Cfrac%7B13%7D%7B1%7D+)
![\frac{65x}{150} = \frac{13}{1} \frac{65x}{150} = \frac{13}{1}](https://tex.z-dn.net/?f=+%5Cfrac%7B65x%7D%7B150%7D+%3D++%5Cfrac%7B13%7D%7B1%7D+)
![65x = \frac{13}{1} * 150 65x = \frac{13}{1} * 150](https://tex.z-dn.net/?f=65x+%3D++%5Cfrac%7B13%7D%7B1%7D+%2A+150)
![65x = \frac{13*150}{1} 65x = \frac{13*150}{1}](https://tex.z-dn.net/?f=65x+%3D++%5Cfrac%7B13%2A150%7D%7B1%7D+)
![65x = \frac{1950}{1} 65x = \frac{1950}{1}](https://tex.z-dn.net/?f=65x+%3D++%5Cfrac%7B1950%7D%7B1%7D+)
![x = \frac{1950}{1} / 65 x = \frac{1950}{1} / 65](https://tex.z-dn.net/?f=x+%3D++%5Cfrac%7B1950%7D%7B1%7D+%2F+65)
![x = \frac{ \frac{1950}{1} }{ \frac{65}{1} } x = \frac{ \frac{1950}{1} }{ \frac{65}{1} }](https://tex.z-dn.net/?f=x+%3D++%5Cfrac%7B+%5Cfrac%7B1950%7D%7B1%7D+%7D%7B+%5Cfrac%7B65%7D%7B1%7D+%7D+)
![x = \frac{1950*1}{1*65} x = \frac{1950*1}{1*65}](https://tex.z-dn.net/?f=x+%3D++%5Cfrac%7B1950%2A1%7D%7B1%2A65%7D+)
![x = \frac{1950}{65} x = \frac{1950}{65}](https://tex.z-dn.net/?f=x+%3D++%5Cfrac%7B1950%7D%7B65%7D+)
![x = 30 x = 30](https://tex.z-dn.net/?f=x+%3D+30+)
![=================================== ===================================](https://tex.z-dn.net/?f=%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D%3D)
Respuesta dada por:
0
2x x x 13
---- + ------ = ---- + ----
5 10 15 1
2(2x) + x x + 15(13)
---------------- = ----------------
10 15
4x + x x + 195
-------------- = -------------
10 15
15 ( 4x + x) = 10 (x + 195)
60x + 15x = 10x + 1950
60x + 15x - 10x = 1950
1950
65x = 1950 x = ------------ = 30
65
-----------------------------------------------------------
x 4
--- - x = x + ------- - 1
2 5
x - 2x 5x + 4 - 5
--------- = ----------
2 5
5 (x - 2x) = 2 (5x - 1)
5x - 10x = 10x - 2
-5x = 10x - 2 2
.5x - 10x = -2 x = --------
15
---- + ------ = ---- + ----
5 10 15 1
2(2x) + x x + 15(13)
---------------- = ----------------
10 15
4x + x x + 195
-------------- = -------------
10 15
15 ( 4x + x) = 10 (x + 195)
60x + 15x = 10x + 1950
60x + 15x - 10x = 1950
1950
65x = 1950 x = ------------ = 30
65
-----------------------------------------------------------
x 4
--- - x = x + ------- - 1
2 5
x - 2x 5x + 4 - 5
--------- = ----------
2 5
5 (x - 2x) = 2 (5x - 1)
5x - 10x = 10x - 2
-5x = 10x - 2 2
.5x - 10x = -2 x = --------
15
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