1. If the fractional equation (m of X-2) + 1 = 3x of X-2 has no solution, then M=___

1. If the fractional equation (m of X-2) + 1 = 3x of X-2 has no solution, then M=___

(m of X-2) + 1 = 3x of X-2
　　m+x-2=3x
　　m=2x+2
When x = 2, i.e. M = 4,
On the fractional equation of X (m of X-2) + 1 = 3x of X-2, there is no solution

Given that the fractional equation X-1 / x + X-1 / K-X + 1 / x = 0 has no solution. Find the value of real number K

X / (x-1) + K / (x-1) - X / (x + 1) = 0 has no solution,
(x + k) / (x-1) = x / (x + 1) has no solution
Simplify x ^ 2-x = x ^ 2 + (K + 1) x + K with no solution
(k+2)x=-k
So k = - 2