gina0yvsalinner gina0yvsalinner

04-01-2017
Mathematics

contestada

The difference when 7 less than a number is subtracted from twice the number is 12. what is the number?

Respuesta :

04-01-2017

It is 5......2x-(x-7)=12 proof: 2*5-(5-7)=12
2x-x+7=12 10-(-2)=12
x=12-7 10+2=12
x=5 12=12

Answer Link

Otras preguntas

If you know a root of a function is -2 + the square root of 3i then _____. 2 + the square root of 3i is a possible root. 2 + the square root of 3i is a kno

Which of the following is a health risk associated with ozone depletion

what was the treament for ptsd in world war I

Taking temperatures is delegated to you. What information can you get from the nurse and a resident's care plan? A. The normal range for the site used B. How

How does the geography of the Gulf coastal plain affect Mexico's economy? Earthquakes and volcanoes make the area unstable. The mountains keep rainfall from th

Mathematics Mh Helps

The amount of money in an account can be determined by the formula A re where is the initial investment, r is the annual interest rate, and tis the number of y

Marcos prefiere ____ con su padre. vivir visita habla vive

Which of the following correctly describes the number of protons and electrons in an atom?The number of protons is higher than the number of electronsThe number

Would it be D?? I don’t know....