mathdummie8080 mathdummie8080
  • 02-02-2015
  • Mathematics
contestada

9^x=27^(x+2)
how do I do that? I don't get how to do it with different bases

Respuesta :

konrad509
konrad509 konrad509
  • 02-02-2015
[tex]9^x=27^{x+2}\\ 3^{2x}=3^{3(x+2)}\\ 2x=3(x+2)\\ 2x=3x+6\\ 3x-2x=-6\\ x=-6[/tex]
Answer Link

Otras preguntas

What is the distance between 120-130 on a number line?
2. What do fung grow from? A seeds B. flowers C spores & most D. fruit​
What is the awnser to 20.24÷2×6.2
x^5 times x^3 pls helppppppp
Child Labor and Women’s Suffrage July 22, 1905 Speech by Florence Kelley 1 We have, in this country, two million children under the age of sixteen years who are
sophia uses 3 3/4 cups of flour for each cake she makes. she has 10-pound bag of flour that costs $8.79 and contains 152 qyuarter cup servings sophia can make 1
A two-digit number is such that the sum of its digits is 1/8 of the number. When the digits of the number are reversed and the number is subtracted from the ori
Tadpole larva develops into adult frog by the process of _________
Which expression is equivalent to 5^-6*5^-1
HELPPPPPPPPPP PLEASEEEEEEEE