![vandarughb5653](/avatars/20804.jpg)
vandarughb5653
16.10.2019 •
Mathematics
What is the solution to the system?
{2x+y−z=−3
{5x−2y+2z=24
{3x−z=5
a. (-5, 4, -3)
b. (4, 1, 8)
c. (2, −6, 1)
d. (−1, 0, −8)
Solved
Show answers
More tips
- C Computers and Internet Clearing Cache: How to Speed Up Your Browser...
- S Style and Beauty How are artificial nails removed?...
- S Style and Beauty Secrets of Tying a Pareo: 5 Ways...
- F Food and Cooking Everything You Need to Know About Pasta...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
- C Computers and Internet How to Learn to Type Fast?...
Answers on questions: Mathematics
- M Mathematics Need help :) x intercept etc...
- M Mathematics Deontaetwalker why did you leave...
- M Mathematics Cayden has several screws on a scale, and the scale reads 80.955\,\text{g}80.955g80, point, 955, start text, g, end text. Cayden adds 111 more screw, and the scale...
- P Physics After an average acceleration of 3.39 m/s2 during 2.29 s, a car reaches a final velocity of 16.1 m/s. find the car s initial velocity....
- E English What is the purpose of desert exile?...
- E English What does NOT describe America following the abolition of slavery...
- H Health Alfred and Chao are rather annoyed with their friend Sam. She has been cancelling plans and not responding to their texts lately. They talk to each other about her...
Ответ:
5x - 2y + 2z = 24
4x + 2y - 2z = -6 (result of multiplying by 2)
5x - 2y + 2z = 24
add
9x = 18
x = 18/9
x = 2
3x - z = 5
3(2) - z = 5
6 - z = 5
6 - 5 = z
1 = z
2x + y - z = -3
2(2) + y - 1 = -3
4 + y - 1 = -3
y + 3 = -3
y = -3 - 3
y = -6
solution is : (2.-6,1)
Ответ: