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5x-3y=-11
x-2y=2
this is for home work please help

Sagot :

Panoyinidn
5x - 3y = 11 ⇒ 5x - 3y = 11  ⇒   5x - 3y = 11
  x - 2y = 2   ⇒ -5(x - 3y) = 2 ⇒ -5x + 15y = 2
                                                           12y = 13
                                                            12     12
                                                             y = 1 1/12
                                                 5x - 3(1 1/12) = 11
                                                 5x - 3 1/4 = 11
                                                      +3 1/4    +3 1/4
                                                             5x = 14 1/4
                                                              5          5
                                                               x = 2 17/20
                                                 (x, y) = (2 17/20, 1 1/12)
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