If it's not what You are looking for type in the equation solver your own equation and let us solve it.
k in (-oo:+oo)
(1/2)*k = 3/14 // - 3/14
(1/2)*k-(3/14) = 0
(1/2)*k-3/14 = 0
1/2*k-3/14 = 0 // + 3/14
1/2*k = 3/14 // : 1/2
k = 3/14/1/2
k = 3/7
k = 3/7
| n/-7=-1/7 | | 1x+20-4/4x+0=20 | | b+2/3=-22/3 | | x+2/5=9/10 | | x+8=61/8 | | w+1/3=7/3 | | k+7/8=103/8 | | m+2=14 | | 81/7=a+4/7 | | m=6/7 | | w+5=24/5 | | k=1/2 | | 6/7t=-2/7 | | t+1=7/12 | | 10+n=102/11 | | n-3/8=13/8 | | a-2=-11/4 | | -16/33=x+1/3 | | 11=d+9 | | k+9/10=47/30 | | -77/12=b-7 | | d-1/2=13/2 | | d+1=13 | | b+4=13 | | -6/7+x=-29/42 | | k-3/10=39/70 | | -12.42=0.0 | | M=b+c | | -1+w=7 | | t+7=61/8 | | 2b=22 | | 4+n=2 |