Question

Hallar el valor de x
${3}^{x} + {3}^{x + 2} + {3}^{x + 3} = 999$
​

Answer 1

Explicación paso a paso:

9993x+3x+2+3x+3=999

9999×+5=999

9999x=999-5

9999×=994

x= 994

9999

x=0,0994