kellerpaula kellerpaula
  • 22-03-2020
  • Mathematics
contestada

Solving Exponential Equations (lacking a common base)
7^x-2=7

Respuesta :

amna04352
amna04352 amna04352
  • 22-03-2020

Answer:

x = 3

Step-by-step explanation:

7^(x-2) = 7¹

Equate powers

x-2 = 1

x = 3

Answer Link
Larrysammz
Larrysammz Larrysammz
  • 22-03-2020

Answer:

x=3

Step-by-step explanation:

7^x-2=7

  • 7 is equal to 7^1 as it is equals to 7

7^x-2=7^1

  • eliminating the powers

x-2 = 1

  • add 2 to both sides

x = 1+2 = 3

lets check the answer

7^x-2=7

7^3-2=7

7^1 = 7

7=7

LHS = RHS

Answer Link

Otras preguntas

Write the proportion 5.5 hours is to 4.5hrs as 7.5 hours in to 60hours
Which of the following best addresses the economic question How to produce? A. Peachtree designs a new smartphone for visually impaired users. B. Head Tome s
An athlete is working out in the weight room. He steadily holds 50 kilograms above his head for 10 seconds. Which statement is true about this situation? a) The
What is the chemical formula for iron (lll) oxide?
What is the phase of the cell cycle during which the cell prepares to reproduce?
How did the nazi government plan to exterminate the jewish people?
What is 10 plus 24 so pleaseeeeeee helppppp
At a local fitness center, members pay a $20 membership fee and $3 for each aerobics class. nonmembers pay $5 for each aerobics class. for what number of aerobi
probability mass function. f(x) = (125/31)(1/5)^x find F(1) F(2) P( X less or equal to 1.5) P (X>2) P(1 < X less or equal to 2
Which side of a mountain has the most moisture? A. the windward side B. the leeward side C. the down wind side D. the side where no snow falls