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what is the elimination method for this problem
4x-3y=22
2x-y=10

Sagot :

4x-3y=22
2x-y=10
4y-2y-20
-y=2
y=-2
i think that is the answer...

Panoyin
4x - 3y = 22 ⇒  4x - 3y = 22 ⇒ 4x - 3y = 22
2x  -  y = 10 ⇒2(2x - y) = 10 ⇒ 4x - 2y = 10
                                                          5y = 32
                                                          5y = 32
                                                           5      5
                                                            y = 6.4
                                              4x - 3(6.4) = 22
                                                4x - 19.2 = 22
                                                     + 19.2 + 19.2
                                                            4x = 41.2
                                                           4x = 19.2
                                                            4        4
                                                             x = 4.8
                                                        (x, y) = (4.8, 6.4)
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