Solve the following systems of equations:




Adding (1) and (2)


-226x – 226y = -678


x + y = 3----- (3)


(1) – (2)


530x – 530y = 530


x – y = 1 ------ (4)


Adding (3) and (4)


2x = 4


x = 2


Thus, y = 1


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