kangogauri kangogauri
  • 01-04-2015
  • Mathematics
contestada

2[tex] 3^(x+7) = 9^(x-1)[/tex]

Respuesta :

Panoyin
Panoyin Panoyin
  • 03-04-2015
3(x + 7) = 9(x - 1)
3(x) + 3(7) = 9(x) - 9(1)
  3x + 21 = 9x - 9
- 3x          - 3x    
          21 = 3x - 9
        + 9         + 9
         30 = 3x
          3      3
         10 = x
Answer Link

Otras preguntas

solve and show the work 6 ( -3y + 2) - 5=
Two solutions are mixed and react to produce the solid precipitate AgCl. The chemical reaction is shown by the balanced equation. AgNO3 + NaCl -----à AgCl + NaN
A soup can is 4 inches tall and has a radius of 1. 3 inches. How much soup will fit in the can? use 3. 14 for pi and round your answer to the nearest tenth. In.
please help. i will mark you brainleist ​
What is the volume of a cylinder that has a radius of 3.5 inches and a height of 7 incheſs? *
1) Why, in the opening paragraph of 'The Tell Tale Heart," does the narrator give so many details about the acuteness of his senses? A) He wants to tell everyth
Jen traveled from Boston to Cape Cod at 60 mph. On her way back, the traffic was bad and her return trip took 3 times as long. What was Jen's average speed on t
formal letter gender protection association​
plsss help me Find The Area Of This Shape. Show Your Work.​
Marisa is at a point in her pregnancy when the zygote is moving down to her uterus, and the placenta and umbilical cord are beginning to form. Which period of p