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Solve for the missing variable x + y = 7 y = x = 3 Solve for the missing variable 2x + 5y = 7 x = y = -2 Solve for the missing variable ax + b = c b = 12 a = x = 4 c = 60 Solve for the missing variable c = b = -2 a = 5 2abc = 40 Solve for the missing variable 2 = x - y y = x = 7 Solve for the missing variable xy + wz = b y = -2 w = 5 b = 60 x = -10 z = Solve for the missing variable z = b = 2 y = 3 x = 2 xyz + b2 = 4 |