Solve for x and y
-9x - 8y = -1
9x - 4y = -2
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-9x - 8y = -1....... (i)
9x - 4y = -2.......(ii)
Adding them we get
-12y = -3
=> y = 1/4
Putting value of y in (ii), we get
9x - 4 * 1/4 = -2
=> 9x - 1 = -2
=> 9x = -1
=> x = -1/9
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