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20 November, 11:38

Given the system:

2x - 4y = - 34

-3x - y = 2

Solve for the variables that make up the coefficient

matrix:

[a b]

[c d]

a=

b =

c=

d=

+1
Answers (1)
  1. 20 November, 14:04
    0
    X = - 3

    Y = 7

    a = - 6

    b = - 28

    C = 9

    D = - 7

    Step-by-step explanation:

    2x - 4y = - 34

    -3x - y = 2

    2x - 4y = - 34

    -12x - 4y = 8

    -14x = 42

    X = 42/-14

    X = - 3

    -3x - y = 2

    -3 (-3) - y = 2

    9-y = 2

    9-2 = y

    Y = 7

    a = 2x

    a = 2*-3

    a = - 6

    b = - 4y

    b = - 4*7

    b = - 28

    C = - 3x

    C = - 3*-3

    C = 9

    D = - y

    D = - 7
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