please answer this it is urgent..!!!!
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x1 + x1 = y1
2.5 + 2.5 = 5
x2 + x2 = y2
15 + 15 = 30
therefore y2 = 30
2.5 + 2.5 = 5
x2 + x2 = y2
15 + 15 = 30
therefore y2 = 30
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