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25x + 37y = 146
25 (-326+31y)/13 +37y = 146
-8150/13 + 775y/13 + 481y/13= 1898/13
1256y = 10048 y= 8
x= -326/13 + 31(8)/13= -326/13 + 248/13 = -78/13 = -6