Rolo9198 Rolo9198

21-03-2017
Mathematics

contestada

how do you solve this equation 3^3x-7=81^12-3x

Respuesta :

24-03-2017

I think you meant...

3^(3x-7)=81^(12-3x) (note that 81=3^4) so

3^(3x-7)=3^4^(12-3x)

3^(3x-7)=3^(48-12x) taking log or natural log of both sides show that

3x-7=48-12x

15x=55

x=11/3

Answer Link

Otras preguntas

The first major shift in crime rates in the united states since the beginning of the collection of official crime statistics was probably due to the

Which of these statements is not true about chemical reaction rates? A. The reaction rates can change. B. The reaction rates can increase. C. The reaction rates

After you prove that two triangles are congruent, what would CPCTC be useful for?

What are the solutions of 3x+5=2x-7

How did loess influence the development of early Chinese civilizations? To avoid flooding caused by settled loses raising the Huang’s water level, peasants had

The U. S. Supreme Court is the last court of appeals. What does that mean?

Jayson has been collecting and mounting insects for a biology project for several weeks. He has collected 6 insects per week. He gave 14 insects away to a frien

You are offered an item for $17.85. If the seller states he normally sells the same item for $19.95, what percentage discount is he offering you?

A teacher sets up a machine that beeps at random intervals; research has demonstrated that, if students check "yes" or "no" in answer to whether they were payin

Solve this quadratic equation using the quadratic formula. 3x^2 + 5x + 1 = 0