abbiola221 abbiola221

08-10-2019
Mathematics

contestada

x + 3y - z= -4
2x – y + 2z = 13
3x - 2y - z= -9

Respuesta :

mourfious mourfious

08-10-2019

Answer:

x= 0

y = 1

z = -7

Step-by-step explanation:

adding all equation

then we got

5x = 0

X = 0

now putting the value of X

in ex.. 1 and 3

and after substrate

we got .....

5y = 5

y=1

so.

z= -7

.........................

plzzz..........

mark it as a brilliant answer

Answer Link

Otras preguntas

In Auction Antics, how does the auction affect Janice?

Emmanuel deposited $2,350 into a Savings Account which earned 3.25% interest compounded annually. At the beginning of year 6, Emmanuel deposited $1,500 into his

In a certain country, private enterprise is provided various goods and services, that the government provides free public, transportation and electricity, to it

The leader of a country makes a unilateral decision to cut off trade with another country. What is this decision-making style called? a. Unilateral b. Minority

Congress overhauled the entire corporate governance regulatory structure with the Sarbanes-Oxley Act of 2002 (SOX Act) a) True b) False

What type of economy is mixed?

EMS providers should obtain initial training class that A defines the standards for future performance evaluations B identifies educational voids with in their

Slide 3 of 21 Follow the instructions given below. Do it on a sheet of paper. Then, answer the processing questions. Think of a situation that you were able Dra

A store sells packages of black pens blue pens and red pens 4 ninths of the packages are black pens and 1 sixth of the packages are blue pens what fraction of t

the passage from A Room of One's Own The history of men's opposition to women's emancipation is more interesting perhaps than the story of that emancipation i