21rostjos 21rostjos

11-04-2017
Mathematics

contestada

X-y=3
X+2y=-6

Plz get it right

Respuesta :

apologiabiology apologiabiology

11-04-2017

x-y=3
x+2y=-6
solve for x in first
x-y=3
x=y+3
sub y+3 for x in other

(y+3)+2y=-6
y+3+2y=-6
3y+3=-6
minus 3 both sides
3y=-9
divide by 3
y=-3

sub back

x=y+3
x=-3+3
x=0

(x,y)
(0,-3)

Answer Link

Otras preguntas

Talia’s English class had an assignment in which they had to write a career plan including all the aspects that they discussed in class. Talia wrote the follo

Which of the following reactions could be used to power a battery because of the transfer of electrons? Pb22+ + 2Br− → PbBr CaCl2 + 2NaOH → Ca(OH)2 + 2NaCl K

What is the primary importance of the parable Wiesel tells at the beginning of his speech? A It demonstrates the value of writing stories. B It illustrates th

Need help on both problems.

Please help with my math homework :(

how do you solve this problem35/8y+1491-2y

If 2 is added to the square of an integer, the result is 7 less than 10 times that integer. Find the integer(s). (Enter your answers as a comma-separated list.

Jesse served 13 pints of orange juice at her party how many quarts of orange juice did she serve

in ancient Greece ptolemy asserted that the earth was at the center of the universe the sun moon planets and stars all revolved around it A. simple B.compoun

Which of the following socioeconomic changes occurring in America by the early to mid 1800's most allowed individuals, particularly women to participate in soci