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saul85 [17]
3 years ago
10

Homework is due tonight, I need help ASAP please.

Mathematics
1 answer:
just olya [345]3 years ago
3 0
     x - y = 12 ⇒ 3x -  3y = 36
2x + 3y = 76 ⇒ 2x + 3y = 76
                                 5x = 112
                                  5       5
                                   x = 22.4
                              x - y = 12
                         22.4 - y = 12
                       - 22.4       - 22.4
                                  -y = -10.4
                                  -1       -1
                                   y = 10.4
                             (x, y) = (22.4, 10.4)
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