qwerty123 qwerty123

03-03-2015
Mathematics

contestada

solve for (n):

10n - 8 + 4n =20?

solve for (x):

2x + 3x = 25?

Respuesta :

konrad509 konrad509

03-03-2015

[tex] 10n - 8 + 4n =20\\ 14n=28\\ n=2\\\\ 2x+3x=25\\ 5x=25\\ x=5[/tex]

Answer Link

Otras preguntas

What is the average distance of 384,400,000 in scientific notation?

Which pair of ratios form a proportion? A. 5 : 11 and 6 : 12 B. 7 : 13 and 21 : 39 C. 8 : 14 and 24 : 30 D. 10 : 20 and 20 : 30 Please help me.

What is the difference between nomads and hunter-gatherers of ancient times?

Music historians believe that the folk music that grew in the Appalachian Mountains area in the 1800s was some of the first music that was distinctly American.

In most of the oil-rich Arab nation, the wealth generated by oil has affected the citizens way of life in that

what two factors affect the rate of acceleration of an object ?

Trent, Linda, and Pam will work together to paint a poster that is 4feet long. Each student will paint an equal length of the poster. How many feet of the poste

what properties do scientists use to identify minerals

Education was important to former slaves because...

Which word correctly completes the sentence? Do you see how those __________ tails swish back and forth as they walk? A. horses' B. horses C