{"result":{"text":"fraction numerator k minus a minus lambda over denominator 1 end fraction equals fraction numerator k minus lambda over denominator 2 end fraction rightwards double arrow 2 k minus 2 a minus 2 lambda equals k minus lambda\nrightwards double arrow k minus lambda equals 2 a rightwards double arrow 3 a minus lambda equals 2 a rightwards double arrow lambda equals a"},"status":"ok"}