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

1. What made the mother scared on the train to Chicago? What does the author think about her mother’s fears? Cite specific lines from the text in your answer.
Rearrange m=p+q and make p as the subject
How do you find the domain and range of a quadratic function?
Ms. Marx told Alyssa about the promising essay contest, and she was excited at the prospect ?
g(n) = 4n +4 h(n) = n +5 Find (g- h) (9)
what’s the slope of (5,9) and (3,2)
Identify the metaphor. * The video camera observed the whole scene. O My mom is so gonna kill me. O Your are my sunshine. O Sheena's hair is like golden rays of
Simplify (-6 - 4) / 2
thx u help now ok yeah
Sara poured some sand into a pan. How could Sara best demonstrate wind erosion using this model? A. Use a spray bottle to moisten the sand with water. B. Blow i