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Question

2) solve by elimination method​
(x + 7)/3 - y = (y - 1)/2 + x = (x + y)/6

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Solution

The given equation is, x + 73 - y = y - 12 + x = x + y6x + 73 - y = x + y6 and y - 12 + x = x + y6x + 7-3y3 = x + y6 and y-1+2x2 = x + y6x - 3y + 7 = x + y2 and 2x + y - 1 = x + y32x - 6y + 14 = x + y and 6x + 3y - 3 = x + yx - 7y = -14 ......1 and 5x + 2y = 3 .....2Multiply 1 by 5, we get5x - 35y = -70 .....3Subtracting 3 from 2, we get37y = 73y = 7337Put y = 7337 in 1, we getx - 7×7337 = -14x = 51137 - 14x = -737

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