If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
3*n+(2/5)*n-3 = -107/30 // + -107/30
3*n+(2/5)*n-(-107/30)-3 = 0
3*n+(2/5)*n+107/30-3 = 0
17/5*n+17/30 = 0 // - 17/30
17/5*n = -17/30 // : 17/5
n = -17/30/17/5
n = -1/6
n = -1/6
| (x-5)(4x+4)=3x(x-3)+10 | | 8+2d+2/5d=88/5 | | -8=3t-4/5t-6 | | 23/36=-3a+2a+8/9 | | 25=-k+5k+5 | | 494/63=-4/5m-6/7m-4/9 | | b+1+1/2b=1 | | 5t+1/8-3/4t=143/56 | | 3d+1+3d=-11/3 | | 4=-3b+4b-4 | | 5-3b-b=33 | | -314/33=4/5x+1/3x-9 | | -146/7=-2d+7d-6/7 | | 2/7+5/7t+2/7t=29/28 | | 543/10=-4a-5a+3/10 | | 9X+21=4X+121 | | 2/5a+9/10+5a=18/5 | | -2/3n+1-n=31/36 | | -a-1+4a=17 | | 7x+1+3x=8/3 | | 4b+5+1/2b=5 | | 2/7+4t+1/2t=-61/7 | | 641/77=-6/7t-t+9 | | 6-1/2k-4k=87/22 | | 6x+7+3x=13 | | 3/8-6x-2/3x=-29/8 | | 8/5=-m+7m-2 | | 2/5m+1/3-3m=-29/30 | | 10+5/7b+7b=64 | | 5n+10+3n=18 | | -b+1/3-3b=-143/3 | | 1/5t+1/8-2/7t=-109/280 |