es la 3
Explicación paso a paso:
buena suerte
1)
[tex]a + \frac{2}{3} = \frac{1}{6} [/tex]
[tex] \frac{3a + 2}{3} = \frac{1}{6} [/tex]
[tex]6(3a + 2) = 3[/tex]
18a+12=3
18a=9
a=-1/2
2)
[tex] \frac{3+4b }{4} = \frac{1}{8} [/tex]
8(3+4b)=4
24+32b=4
32b=-20
b=-5/8
3)
3(9c-5)=9(-2)
27c-15=-18
27c=-3
c=-1/9
4)
[tex] - d = \frac{7}{10} + \frac{3}{5} [/tex]
-d=13/10
[tex]d = - \frac{13}{10} [/tex]
ó
-1,3
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es la 3
Explicación paso a paso:
buena suerte
Explicación paso a paso:
1)
[tex]a + \frac{2}{3} = \frac{1}{6} [/tex]
[tex] \frac{3a + 2}{3} = \frac{1}{6} [/tex]
[tex]6(3a + 2) = 3[/tex]
18a+12=3
18a=9
a=-1/2
2)
[tex] \frac{3+4b }{4} = \frac{1}{8} [/tex]
8(3+4b)=4
24+32b=4
32b=-20
b=-5/8
3)
3(9c-5)=9(-2)
27c-15=-18
27c=-3
c=-1/9
4)
[tex] - d = \frac{7}{10} + \frac{3}{5} [/tex]
-d=13/10
[tex]d = - \frac{13}{10} [/tex]
ó
-1,3