yasminriveramendez16 yasminriveramendez16
  • 02-11-2020
  • Mathematics
contestada

Five times a number is the same as two times a number added 21

Respuesta :

horses96
horses96 horses96
  • 02-11-2020

Answer:

Our number is 7.

Step-by-step explanation:

We also know that it's 2x + 21 = 5x.

Now we solve.

21 = 5x - 2x

21 = 3x

7 = x

Answer Link

Otras preguntas

round to the nearest hundredth 5.6192
A solution of hydrogen peroxide, H2O2, is titrated with potassium permanganate, KMnO4, according to the following equation: 5H2O2 + 2KMnO4 + 3H2SO4 = 5O2 + 2MnS
round to the nearest hundredth 5.6192
How would you call in other words to scold or punish severely
How do we use the Pythagoras theorem in "everyday life".
a subway train starts from rest at a station and accelerates uniformly at 1.8m/s^2 for 15 sec. then it runs at a constant speed for the next 35 sec. before dece
What's the word for looking down on others; proud and scornful
What's the other term for: lacking respect; scornful
What's the term for: unwilling to bend; unyielding
Which of the following steps is not critical in the creation of Bt corn?a.Cut out a piece of DNA from a DNA molecule.b.Splice a piece of DNA into DNA from anoth