If it's not what You are looking for type in the equation solver your own equation and let us solve it.
b in (-oo:+oo)
3/5-3*b = 63/5 // - 63/5
3/5-3*b-(63/5) = 0
3/5-3*b-63/5 = 0
-3*b-12 = 0 // + 12
-3*b = 12 // : -3
b = 12/(-3)
b = -4
b = -4
| -3b+3-4b=-4 | | 2/3x-6=x+4 | | -3b+2/5=27/5+3b | | -3b+2/3=-79/3 | | -3b+2=26/7 | | -3b+2=11/4 | | -3b+10=7 | | -3b+1/9+1/2b=-89/9 | | -3b+1=6b-53 | | 8=8+3h | | -3b+1=133/33+1/3b | | -3b+1+7b=41/9 | | -3a=-9 | | -3a=-36 | | -3a=-27 | | -3a-8=-116+6a | | -3a-7+2a=-45/7 | | -3a-5/8=-117/8+1/2a | | -3a-4/9+1/2a=-101/126 | | -3a-4=6a+86 | | -3a-4=3a-37/4 | | -3a-3/4+1/7a=-901/28 | | -3a-3=-14/3 | | -3a+9=-21 | | 23=4-7x | | 5(3-2x)-12=-18 | | -3a+9=-15 | | 15-10x-12=18 | | -3a+9+2/5a=238/25 | | -3a+6=25+1/6a | | -3a+6-3a=9/5 | | -3a+5=79/11 |