rajer123
rajer123
18-01-2018
Mathematics
contestada
Solve using elimination
Respuesta :
chrysanthemum
chrysanthemum
18-01-2018
- 3x - y = 8
7x + y = -12
+__________
4x = -4
x = -1
-3(-1) - y = 8
3 - y = 8
- y = 5
y = -5
- 3(-1) - (-5) = 8 --> 3 + 5 = 8 <-- Correct
7(-1) + (-5) = -12 --> -7 -5 = -12 <-- Correct
Answer:
x = -1
y = -5
Hope this helps.
Answer Link
VER TODAS LAS RESPUESTAS ( 78+ )
Otras preguntas
6(1 - 3x) = -36 - 4x
As you look under a microscope you see a nucleus with a large density of nucleolus. What inference can you make about that cell?
On a vacation, Linda’s family traveled 495 miles at 55 mph. How long did it the trip take?
Which of the following galaxy types is most likely to be clearly identifiable, regardless of orientation? SBc Irr SBa E0
I need help. I answered the majority of them but I think they could be wrong. I need help with the last one, please too?
How many quotes should there be in each body paragraphs of a research math essay? Brainly !
Select the statement that is false. Question 1 options: A. European immigrants settled in the North where they could work in the factories. B. Tobacco, co
What does The scale factor of two items determine
Although the diagnostic criteria for anxiety disorders are consistent for all age groups, older adults typically worry more about matters such as __________.
⛈️️ meaning I don't know what this is supposed to mean
ACCESS MORE