lalala123 lalala123
  • 25-02-2014
  • Mathematics
contestada

Solve:

Log5x=log(2x+9)

Respuesta :

imthird3
imthird3 imthird3
  • 25-02-2014
Log5x=log(2x+9)
5x=2x+9
5x-2x=9
3x=9
X=3
Answer Link
kamdensmi55 kamdensmi55
  • 31-01-2020

Answer:

Using the  

law of logarithms

∣

∣

∣

∣

¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯¯

a

a

log

x

=

log

y

⇒

x

=

y

a

a

∣

∣

−−−−−−−−−−−−−−−−−−−−−−−  

 

⇒

5

x

=

2

x

+

9

⇒

3

x

=

9

⇒

x

=

3

Step-by-step explanation:

Answer Link

Otras preguntas

I need help please.
4. Jeanne has $17.50 in her piggy bank. How much money, m, does she need to buy a game that costs $68.75? 5. A number increased by 18 is 50. 6. A number when mu
Is square root of 11 a irrational number
help pls, math due tonight :(
Calculate the amount of heat energy required to heat up 15.9 grams of ice from -4 °C to 14°C.
Which expression represents a negative number?
Need the value for x and y
Calculate the molarity of a solution of 0.030 mol of HCl in 0.15L of solution?
solve the following proportion −3/8 = x/72
11. A car is pulled with a force of 10,000 N. The car's mass is 1267 kg. But, the car covers 394.6 m in 15 seconds. (a) What is expected acceleration of the car