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

When chemical bonds are broken, energy is ______. A. absorbed B. released C. not needed

What does this equal

What helped Howard carter improve as an archaeologist between 1892 and 1899

Playing video games requires which of the following skills?

How is the constitution a living document?

Find the words in the text that mean the following: 1)chance,possible situation 2)smothing pleasent 3)the person with the highest positio

Mike is planning a vacation. he has narrowed down his choices to three types of vacations: coastal, rural, and urban. he uses the spinner shown above, which is

What are the pros and cons of several renewable energy sources?

solve: 5x + 2 = 2x + 14

Math heeeeellllloppp