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expeople1 [14]
2 years ago
7

Help and please explain

Mathematics
1 answer:
Elden [556K]2 years ago
7 0
-x + 2y = 6 then x = 2y - 6
6y = x +18 then x = 6y - 18
                     -----------------------substract
                          0 = -4y + 12
                                4y = 12
                                  y = 3

                         -x + 2y = 6
                         -x + 2(3) = 6
                               -x = 6 - 6
                                x = 0

answer: x = 0 (second choice)
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