ploy811 ploy811
  • 21-12-2014
  • Mathematics
contestada

If 5 times the value of a number is increased by 3, the result is 28. What is the number?

Respuesta :

konrad509
konrad509 konrad509
  • 21-12-2014
[tex]5x+3=28|-3\\ 5x=25|:5\\ x=5[/tex]
Answer Link
Rodeway
Rodeway Rodeway
  • 21-12-2014
5x + 3 = 28      /-3
5x=25    /:5
x= 25 : 5 
x= 5

The number is 5.
Answer Link

Otras preguntas

Can someone give me some reason why you would go against the 19th amendment?
How many different ways can 6 students be seated in a row?
Choose the equation of the horizontal line that passes through the point (-8,-7),
The ancient Chinese were eager to share the art of silk production with other cultures. A. True B. False meadel
How can i factor 27+12
factor completely 1000+27y^3
One reason crusaders fought was to
Solve the problem. Mark can remember only the first 4 digits of his friend's phone number. He also knows that the number has 7 digits and that the last digit i
Substitution methode: y=2x-5 4x-y=7 I thought you do it like this: 4x-2x-5=7 2x-5=7 2x=12 x=6 But that's not right.. What did I do wrong?
Determine whether the figure is a right triangle. a right triangle contains one 90 degree angle. Justify your answer with slopes. ( question 16)