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)
-13 = d/3-16 // - d/3-16
16-(d/3)-13 = 0
3-1/3*d = 0 // - 3
-1/3*d = -3 // : -1/3
d = -3/(-1/3)
d = 9
d = 9
| 7x-3=112 | | 3=y-3/3 | | -3=12/k | | 0.5(4x-4)=9-6x | | 6-2f=-6 | | 12x-24z=z+7x | | (X-4)/((x-2)(x-3))=0 | | (-0.8x^2)+48x=0 | | 3.5d+8.25d=3+5.25d | | -3(7-2x)=4(4x-1) | | 7x-2+10=12x-2 | | 3+sqrt(2x-3)=x | | (2x+13)+110=145 | | 4(2x-2)=2(3x-4) | | c+4c+6c= | | v=(1/3)lwh | | 31.4=2(3.14r) | | 0=-16t^2+65t+1 | | 6x-17=4x+13 | | X-4.2=10 | | 2(2a+1)=3(a+10) | | 11+2x+25=x+25 | | -2(3-2x)+9x=-2(2x+1) | | (3x)(12)-(5)=(2x)(15x)-20 | | x−1/3x−1/2x−3=0 | | 6x-25=32+4x | | X*3=7.3 | | 7x+12y=94 | | x=9(3)+14-2 | | 6x-3x+4-2x=6x+4 | | 9(-8)+7(-2)3= | | 12-(3m+5)=25 |