eybfclehbdfclwe eybfclehbdfclwe
  • 25-03-2021
  • Mathematics
contestada

Three times the difference of a number and 7 is 30. Find the number.

Respuesta :

evanc7515
evanc7515 evanc7515
  • 25-03-2021

Answer:

x = 17

Step-by-step explanation:

3(x - 7) = 30 is our equation, since we take 7 away from the number and then multiply the result by 3.

3x - 21 = 30

Add 21

3x = 51

Divide by 3

x = 17

To check.

3(17 - 7(

3(10)

30 = 30 Correct

Answer Link

Otras preguntas

Which of these stopped operating in 2011? A. space shuttle program B. Kepler Space Telescope C. Hubble Space Telescope D. International Space Station
Find the measure of arc FGH.
This would accurately describes a typical winter in the interior of Norway and Sweden?
Which statement below most accurately describes the moral arguments for and against slavery in the 1800s? Supported of slavery insisted It was moral because it
Can u help with this question please
hard water + soap = ? write your answer in chemical formula ​
Evolution is change in a population over time and includes the gene pools of that population. How does biogeographic isolation allow for the change of gene pool
factorize 5(m+n)^2+17(m+n)-12
In the diagram below, if AEB=50°, find the measure of AED.
Could someone help me please