7su443a7vr 7su443a7vr
  • 01-04-2021
  • Mathematics
contestada

15 less than 3 times a number is 5 more than half of the number.

Respuesta :

ssent05
ssent05 ssent05
  • 01-04-2021

Answer:

Mystery Number is 8

Step-by-step explanation:

3x - 15 = 5 + 1/2x

3x - 1/2x = 15 + 5

5/2x = 20

x = 20 / 5/2

x = 20 * 2/5

x = 40 / 5

x = 8

Answer Link

Otras preguntas

plum-pudding model other name​
The amplitude of a mechanical wave shows _____. A. how fast the wave is moving B. how many waves pass a given point in one second C. how many seconds it takes a
Gavin was thinking of a number. Gavin subtracts 10 from it and gets an answer of 2.7. What was the original number?
the answer is 20/13 you can simplify the answer.
i hate this brainly thing so so so much
The measure of an angle is 34.6°. What is the measure of its complementary angle?
A bag contains the following marbles: 8 black marbles, 12 blue marbles, 18 brown marbles, and 6 green marbles. What is the ratio of brown marbles to blue marble
In 1860 the small towns became a city. true or false
Answer number 5 a,b,c,d,e pls thanks
Water flows through a pipe at a rate of 7 liters every 9 days. Express this rate of flow in gallons per week. Round your answer to the nearest hundredth.