leesgirl leesgirl

20-04-2015
Mathematics

contestada

Solve for the 2 unknowns: 3y + 3x =24
6y+3x = 39

Respuesta :

belcatya belcatya

20-04-2015

3y + 3x =24
6y+3x = 39
subtract first equation from second
6y-3y+3x-3x=39-24
3y=15
y=5
put this value in first equation 3y+3x=24
3*5+3x=24
15+3x=24
3x=9
x=3
Answer: (3;5)

Answer Link

Otras preguntas

What are Grendel's character traits? (Minimum of 4)

match each feature or use to the correct invention

Calaveras county in California imposes a 7.25% sales tax on goods purchased in that county. How much tax is imposed on a $56.96 purchase? A. $4.10 B. $3.92 C.

TKAM: The fact that the Ewells can hunt out of season is most connected to the idea that _____. sometimes the legal thing to do is different from the right thin

Birds of passage were: a. immigrants who planned on returning to their homeland. b. single women who worked until they got married. c. strikebreakers who were s

What is a goal of the African Union? to prevent foreign investment in African economies to promote economic cooperation among African nations to expand African

Identify a good buffer. small amounts of both a strong acid and a strong base significant amounts of both a weak acid and a strong acid significant amounts

Cindy just changed her major from psychology to sociology and is trying to make friends in her sociology class. one day, jack, a fellow sociology major, says, "

how did the advent of commercial tobacco cultivation in Virginia affect the relationship between colonists and indians?

What is an advantage of projective personality tests?