If it's not what You are looking for type in the equation solver your own equation and let us solve it.
a in (-oo:+oo)
a+1/2 = 15/14 // - 15/14
a+1/2-(15/14) = 0
a+1/2-15/14 = 0
a-4/7 = 0 // + 4/7
a = 4/7
a = 4/7
| m-6=-41/6 | | d+5=21/4 | | 71/12=k+5 | | w-1=-11 | | n-2/5=23/5 | | 19/6=m+4 | | 5/4=w+1/2 | | -2/3d=-8/3 | | -1/4+b=-5/4 | | b+2/3=52/33 | | 1/10+d=111/10 | | n/-5=7 | | 9+a=18 | | 5/3=k+1 | | m-1=-11/6 | | 8+x=25/3 | | 9=d+3 | | x+1/2=-9/22 | | 1/2n=4 | | 41/7=w+6 | | b+3=4 | | a-3/8=5/8 | | 9=b+4 | | 37/8=a+5 | | 4x-6=30-8x | | b-2=-1 | | -1/3=b-1/2 | | w+10=108/11 | | w+4/7=46/7 | | -3/5+w=-28/5 | | 55/12=d+4 | | 5+n=17/3 |