m3rk098 m3rk098
  • 22-04-2018
  • Mathematics
contestada

please help! posted picture of question

please help posted picture of question class=

Respuesta :

11beehshahbaz 11beehshahbaz
  • 22-04-2018
The matrix A is the coefficient matrix and contains the coefficients of all variables.

The coefficient of equation 1 are mentioned in row 1 and coefficients of equation 2 are mentioned in row 2.

So,

a = 5
c = 7
b = 3
d = -2

So,

a - b + c + d = 5 - 3 + 7 - 2 = 7
Answer Link

Otras preguntas

Can a theocracy co-exist with monarchy
how can a vector have a component value equal to zero and also have a non zero magnitude
a blouse is regularly sold for 28.50$ and is on a sale for one third off, what is the sale price of the dress
Why Were The British Interested In Ruling India?
The quotient of a number and 4 decreased by 10 is 2
x and y table for y=x+2
What were times of extreme cold, when great sheets of ice covered parts of the earth called?
Imagine you are a reporter covering a revolution in one of the African nations. Write a headline and article describing it. REVOLUTION
2- Why Should Policymakers Think About Incentives?
In areas where freezing and thawing occur frequently, rocks weather rapidly because of the ____ of freezing water.