Stinkypete2013 Stinkypete2013
  • 03-12-2019
  • Mathematics
contestada

find the solution of this system of equations. -x - 5y= 30, 10x + 5y= -75

Respuesta :

Yang100
Yang100 Yang100
  • 03-12-2019

Answer:

x=-5, y=-5. (-5, -5).

Step-by-step explanation:

-x-5y=30

10x+5y=-75

------------------

9x=-45

x=-45/9

x=-5

-(-5)-5y=30

5-5y=30

5y=5-30

5y=-25

y=-25/5

y=-5

Answer Link

Otras preguntas

Help me with this one
all my legs shout is ahat type of figurative language?
when is it important to cite your source a. when you quote someone directly b.when you use commonly available information c.when you paraphrase a dictionary def
A manufacturer of machine tools creates a spreadsheet of tools and their cost. The spreadsheet has four fields: name of the tool, cost per tool, number of tools
AP World vs AP US History..... Thoughts?
which choice is equivalent to the quotient shown here when x > 0
negative twenty-five is 4 times a number increased by 7. Find the number. Thank you ​
Which of the following are true of the Ferderalist papers?
IM GIVING BRAINLIEST!!! It takes a dog 60 seconds to run a total of 180 meters. What is the dog's average speed? A. 0.3 m/s B. 3.0 m/s C. 9.0 m/s D. 30.0
Select the pronoun that correctly completes this sentence: The football team cannot play ____ best when it is so hot. A) its B) our C) their D) you're