X+y=12x-y= -2the coordinates are (5,7) but I dont understand how they got (5,7)
1 answer:
They are (5, 7) because of you plug in 5 in place for x and 7 in place for y, you will see that they are true. For example, 5 + 7 = 12 and 5 - 7 = -2. :)
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