angelamayo101403 angelamayo101403
  • 13-01-2022
  • Mathematics
contestada

Find the solution for the system of linear equations by elimination:
x + y = -12
2x + y = 3

Respuesta :

saraalvi00
saraalvi00 saraalvi00
  • 13-01-2022

Answer:

Step-by-step explanation:

x+y=-12     eq(1)

2x+y=3      eq(2)

subtract eq 2 from 1

x-2x+y-y=-12-3

-x= -15      now y is eliminated

x=15

for y put x=15 in eq(1)

15+y=-12

y=-12-15

y=-27

for checking of answer

x+y=-12

15-27=-12

-12=-12

Answer Link

Otras preguntas

Lim x-1 x³-2x²+3x-2/(2x^4-3x+1)
-2x+3y=6 In slope intercept form
The haystack maker tractor lifted 120 kg of grass to a height of 5 meters in 6 seconds. Calculate the power of the haystack maker mechanism (g = 10m / san ^ 2)
Which claim best summarizes the author's proposal in sending garbage into space? Choice A) Very little research has been done on the idea of sending garbage int
What did Louis XIV do that helped create absolute monarchies?
what is the solution of y=1/2x+3
Which graph shows the solutions to the inequality ?
15 POINTS!! The step in the scientific method in which a scientist compares experiment results with a hypothesis is _________. A analysis B communication C obs
All of the following issues can be addressed by a faculty member at your high school except: A. nutrition. B. hearing and vision tests. C. financial ai
What are some flowers that are similar to sunflowers and why are they similar (in the same phylum of sunflowers: Tracheophyta?)