If it's not what You are looking for type in the equation solver your own equation and let us solve it.
d in (-oo:+oo)
145/4 = 5*d+4*d+1/4 // - 5*d+4*d+1/4
145/4-(5*d)-(4*d)-(1/4) = 0
145/4-5*d-4*d-1/4 = 0
36-9*d = 0 // - 36
-9*d = -36 // : -9
d = -36/(-9)
d = 4
d = 4
| -2/9+2m+2m=-122/63 | | -n+7+4/7n=31/7 | | 2-2d-4/7d=26/49 | | .5(p+6)=3.5(3-p) | | -3/5b+7+6/7b=1207/175 | | 4/9-x+5x=92/45 | | 5b-2/9+2/5b=862/495 | | -207/49=-3/7n-n-3 | | 8/9=-1/3m+5m+8/9 | | 4s+5t=63 | | -6+4n+2n=0 | | 3+3w+2w=28 | | 9/10+2/7x-x=51/140 | | 1/2+6d+d=127/2 | | 5+5/7w+2w=150/49 | | 2/5m-5+4/7m=-1033/210 | | 3w+3/4-1/2w=-7/4 | | 3s+2t=28 | | -2/7n+3/7+5n=-360/7 | | 10+3/4b+1/4b=72/7 | | 2d+1/3+2d=-97/33 | | 7p+4q=58 | | 83/5=-k+5k+3/5 | | 3/5+t+2/3t=11/10 | | 5-4/5a-1/2a=5 | | 13/2=-6w+w+9 | | -1-m-2/5m=2/5 | | -3/5n+1-n=37/5 | | 1/4b+2/7+2/3b=2/7 | | 148/15=-4/5k-1/2k+9 | | 2p+5q=32 | | 7m-2-1/3m=-82 |