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Novay_Z [31]
3 years ago
9

X+5y=19 3x-6y=-6 consistent or inconsistent and dependent or independent

Mathematics
1 answer:
dmitriy555 [2]3 years ago
7 0
1x + 5y = 19 ⇒ 3x + 15y = 57
3x -  6y = -6 ⇒ <u>3x -    6y = -6</u>
                                 <u>21y</u> = <u>63</u>
                                  21     21
                                     y = 3
                          3x - 6(3) = -6
                            3x - 18 = -6
                            <u>    + 18  + 18</u>
                                   <u>3x</u> = <u>12</u>
                                    3      3
                                     x = 4
                               (x, y) = (4, 3)

It is consistent and dependent.

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