PhanicAtTheDil PhanicAtTheDil

09-05-2017
Mathematics

contestada

Solve-25^x=125^x-7
Thx

Respuesta :

09-05-2017

If that is:

-25^x=125^(x-7)

-5^2^x=5^3^(x-7)

-5^(2x)=5^(3x-21)

5^(3x-21)-5^(2x)=0 for this to be true

3x-21=2x

x-21=0

x=21

Answer Link

Otras preguntas

Please answer Omgggg

When x = 3, evaluate: 4xWhen x = -2, evaluate: x2 =

Write a real-life situation that can be modeled by the expression -2x4

Read this sentence from paragraph 3. But my brother was passionate, and had often beaten me, which I took extreamly amiss; and, thinking my apprenticeship very

Find the value of f(-8).

pogle... Drought conditions in Texas are causing lake levels to drop 3 inches per day. If it doesn't rain for a week, then what will the level change be at the

What is 3.435 rounded to the nearest hundredth? Submit

Write 1,000,000w 1,000m 0.001 cm using scientific notation

One-fifth of the length of a foot-race is 3 miles. Find the length of the race

kahulugan ng katangian??

good job