rebekah93961 rebekah93961

10-09-2020
Mathematics

contestada

Seven more than twice a number is equal to 21. Find all the numbers that make this sentence is true.

Respuesta :

Cytokine Cytokine

10-09-2020

x = a number

7 + 2x = 21

Subtract 7 from both sides

2x = 14

Divide both sides by 2

x = 7

7 is the only number that makes this sentence true.

Answer Link

Otras preguntas

Why is the Tacoma Bridge talked about in Physics?

Puede un productor sobrevivir sin un consumidor

Why does Nixon say he sold all of his stock when he became president? He had lost faith in the American economy. His advisors told him he should. His finances w

A bus leaves every 10 minutes from the bus stop. If a bus leaves at 1:45 what time will the next 3 buses leave the bus stop?

A hexagon with a side length of 21.2 meters and an apothem of 18.4 meters.

Which one is right??

help ;-; i'll give 30 points

what is greater 0.097 or 97%

16 POINTS ANSWER!!!!!!!!!!!!!!!

i’m stuck on this jawn HEEEEELP