Explicación paso a paso:
j)
5x - 11 = 14
5x = 14 + 11
5x = 25
x = 25 / 5
........
x = 5
k)
y = 9
l)
[tex] \frac{z}{5} + 1 = 9[/tex]
[tex] \frac{z}{5} = 9 - 1 [/tex]
[tex] \frac{z}{5} = 8[/tex]
[tex]z = 8 \times 5[/tex]
[tex]z = 40[/tex]
m)
a = 18
n)
z = 17
o)
[tex] \frac{5y - 1}{2} = 12[/tex]
[tex]5y - 1 = 12 \times 2 [/tex]
[tex]5y = 24 + 1[/tex]
[tex]5y = 25[/tex]
[tex]y = 25 \div 5 = 5[/tex]
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Explicación paso a paso:
j)
5x - 11 = 14
5x = 14 + 11
5x = 25
x = 25 / 5
........
x = 5
........
k)
y = 9
l)
[tex] \frac{z}{5} + 1 = 9[/tex]
[tex] \frac{z}{5} = 9 - 1 [/tex]
[tex] \frac{z}{5} = 8[/tex]
[tex]z = 8 \times 5[/tex]
[tex]z = 40[/tex]
m)
a = 18
n)
z = 17
o)
[tex] \frac{5y - 1}{2} = 12[/tex]
[tex]5y - 1 = 12 \times 2 [/tex]
[tex]5y = 24 + 1[/tex]
[tex]5y = 25[/tex]
[tex]y = 25 \div 5 = 5[/tex]