I'm not sure that's right, but folowing my minds:
as K+K=T and T+T=K it means that T=K. So it doesn't matter what number to substitute for letters, and C=0. Hope, i helped you=)
I'm not sure that's right, but folowing my minds:
as K+K=T and T+T=K it means that T=K. So it doesn't matter what number to substitute for letters, and C=0. Hope, i helped you=)