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)
20-((1/4)*d) = (3/10)*d+16 // - (3/10)*d+16
20-((1/4)*d)-((3/10)*d)-16 = 0
(-1/4)*d+(-3/10)*d-16+20 = 0
4-11/20*d = 0 // - 4
-11/20*d = -4 // : -11/20
d = -4/(-11/20)
d = 80/11
d = 80/11
| 5t+3r+9t-10r-8= | | 1.4z-6=2.9z+9 | | 3x+5=-30 | | -29=11p | | (x-20)+(x-10)+40=360 | | v=bpk | | 6y+8=28 | | (x-20)+(x-19)+40=360 | | 10=6/7t+8 | | 3(y+8)+y=2(y+3)-4 | | 34-x/8=x/9 | | 12-6/5b=5 | | 1/4t+35/12=109/36 | | -4k-9=-1 | | -5z+7z=5z-3+8z | | 100=(16+r)+r | | 3[-5x+5-3(x+1)]=-7x-4 | | 2d=28 | | -4x+6y=-24 | | .25x+.05(20-x)=.10(6) | | -12/7/(-4/11) | | 3x+28=8 | | -5(y-4)=-4y-8 | | 2/3+7/8*9/2 | | 2-80/15 | | -1/4X+48=-2X+6 | | Y^2+y=5 | | -5z+5+6z=12 | | I=per | | x-3/13=5/13 | | p+p+2p+(-3p)-7=0 | | 8/3x-2/3x |