ct47583
ct47583 ct47583
  • 15-12-2016
  • Mathematics
contestada

3x+2y=-19
-3x-5y=25
solve for x and y

Respuesta :

averiefaith
averiefaith averiefaith
  • 15-12-2016
x= -5
y= -2
I didn't double check the answers by inputting them back into the equations, but if you want to then you can. Yet I am 99% positive my answer is correct.
Answer Link
bushra97naz
bushra97naz bushra97naz
  • 15-12-2016
add both equations;
3x+2y=-19
-3x-5y=25
o-3y=6
so,  y=6÷(-3)=-2
and for x  3x+2(-2) =-19⇒ 3x-4=-19⇒3x=-15⇒x=-5   
hope so it will help
Answer Link

Otras preguntas

Who does Romeo fall in love with at first?
Which of the following best describes the beliefs of Andrew Jackson? (1 point) A) States’ rights should be exercised over federal law. B) Federal funds should b
eleanor roosevelt showed her support of minorities when she
what property of gas particles is measured by temperature
Simon bought 2 pounds of cucumbers, 8 ounces of alfalfa sprouts, 3 pounds of lettuce, and 15 ounces of tomatoes. How many ounces of vegetables did he buy in tot
Sediment can be directly turned into which of these types of rock? Select all that apply. A. igneous B. sedimentary C. metamorphic
Identify the nervous system responsible for calming the body and conserving energy. In complete sentences please? :)
Which principal part is this verb form? gave a. past participle b. present participle c. past d. present
Where should you hunt raccoons?
Tell me, which of the chemicals are th most poisonous among the others?: a. fertilizers b. insecticides c. pesticides d. all of the above