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VladimirAG [237]
3 years ago
12

2x-y-3z=7, 3x+y+=10, 5x+y+2z=15

Mathematics
2 answers:
rosijanka [135]3 years ago
7 0
Y 50 I think it is I am not to sure
BARSIC [14]3 years ago
5 0

Step-by-step explanation:

<h2>hope it helps you see the attachment </h2>

<h3>here I have used substitution method and also elimination method in one equation </h3>

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ruslelena [56]

Answer:

| 10  -10  1  |

|  1    -2  -4 |

| -8  13 -24|

Step-by-step explanation:

First multiply each element in matrix A, this gives:

| -6  - 2  -3 |

|  1   -6   -4 |

| -4   5    0 |

Now we multiply each element in matrix B by  4, this gives:

| -16  8  -4 |

|  0   -4  0  |

|  4  -8  24 |

Finally subtract  this from the first matrix ( subtracting element by element) gives:

| 10  -10  1 |

|  1    -2  -4|

| -8   13- 24|

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Step-by-step explanation:

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