Respuesta:
a) x=10
b) x= 3
Explicación paso a paso:
a)
[tex]3 {}^{x + 4} \div 3 {}^{9} = 3 {}^{5} \\ 3 {}^{x - 5} = 3 {}^{5} \\ x - 5 = 5 \\ x = 5 +5 \\ x = 10[/tex]
b)
[tex]4 {}^{6x} = 4 {}^{18} \\ 6x = 18 \\ x = 18 \div 6 \\ x = 3[/tex]
espero te halla ayudado :"3
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Respuesta:
a) x=10
b) x= 3
Explicación paso a paso:
a)
[tex]3 {}^{x + 4} \div 3 {}^{9} = 3 {}^{5} \\ 3 {}^{x - 5} = 3 {}^{5} \\ x - 5 = 5 \\ x = 5 +5 \\ x = 10[/tex]
b)
[tex]4 {}^{6x} = 4 {}^{18} \\ 6x = 18 \\ x = 18 \div 6 \\ x = 3[/tex]
espero te halla ayudado :"3