pearsonlaconnia pearsonlaconnia
  • 08-04-2020
  • Mathematics
contestada

3 is 21 divided by the sum of a number and 5

Respuesta :

juls1816 juls1816
  • 08-04-2020

Answer:

the number is 2

Step-by-step explanation:

3= [tex]\frac{21}{x+5}[/tex]

multiply by (x+5)

3(x+5)=21

divide by 3

x+5=7

subtract 5

x=2

Answer Link
charmained6
charmained6 charmained6
  • 08-04-2020

Answer:

x =2

Step-by-step explanation:

3 = 21/(x+5)

3(x+5) = 21

3x+15 = 21

3x = 6

x = 2

Answer Link

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