# Exponential equation

In the set R solve the equation:

$7^{ -5 +19x}=4^{ 3 -20x}$

**Result****Leave us a comment of this math problem and its solution (i.e. if it is still somewhat unclear...):**

**Showing 0 comments:**

**Be the first to comment!**

#### Following knowledge from mathematics are needed to solve this word math problem:

## Next similar math problems:

- Exponential equation

Solve for x: (4^x):0,5=2/64. - Exponential equation

Solve exponential equation (in real numbers): 9^{8x-2}=9 - Log

if ?, what is b? - The city 3

The city has 22,000 residents. How long it is expected to have 25,000 residents if the average annual population growth is 1.4%? - Computer revolution

When we started playing with computers, the first processor, which I remember was the Intel 8080 from 1974, with the performance of 0.5 MIPS. Calculate how much percent a year rose CPU performance when Intel 486DX from 1992 has 54 MIPS. What - Coordinate

Determine missing coordinate of the point M [x, 120] of the graph of the function f bv rule: y = 5^{x} - Sequence

Calculate what member of the sequence specified by ? has value 86. - Demographics

The population grew in the city in 10 years from 42000 to 54500. What is the average annual percentage increase of population? - Geometric progression

In geometric progression, a1 = 7, q = 5. Find the condition for n to sum first n members is: sn≤217. - Car value

The car loses value 15% every year. Determine a time (in years) when the price will be halved. - Radioactivity

After 548 hours decreases the activity of a radioactive substance to 1/9 of the initial value. What is the half-life of the substance? - Powers 3

2 to the power of n divided by 4 to the power of -3 equal 4. What is the vaule of n? - Annual pension

Calculate the amount of money generating an annual pension of EUR 1000, payable at the end of the year and for a period of 10 years, shall be inserted into the bank to account with an annual interest rate of 2% - Logarithm

Determine the number whose decimal logarithm is -3.8. - Virus

We have a virus that lives one hour. Every half hour produce two child viruses. What will be the living population of the virus after 3.5 hours? - Intercept with axis

F(x)=log(x+4)-2, what is the x intercept - Theorem prove

We want to prove the sentence: If the natural number n is divisible by six, then n is divisible by three. From what assumption we started?