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)
D/3 = 4/6 // - 4/6
D/3-(4/6) = 0
D/3-2/3 = 0
1/3*D-2/3 = 0 // + 2/3
1/3*D = 2/3 // : 1/3
D = 2/3/1/3
D = 2
D = 2
| -3(m+4)=6 | | 6+3(4-3a)=90 | | 8.8cosx-50sinx=27.784 | | 144-72m=6 | | 8(2x-10)+8y=10 | | 2.07-1.4x=-3.47 | | 3x+20+8x-7=90 | | 72+x=5(4+x) | | 0=3x^2-24x+640 | | X/2.1=2.5 | | -.5(32)*x^2+60x+6=56 | | -3+2b+b^3=0 | | -31=-7x-4 | | 3n^2-4n-37=7 | | 9tan^2x-9=0 | | b^2+7b+7=-5 | | K-10=20 | | 3x+2x+9=5x+9 | | 16=-6n-7n | | x^2-5x-64=0 | | -40x-10y=20 | | b^3+2b-1=2 | | 2.5+0.2x=8.7 | | 3x+50=8x | | 1=10a | | 13/3.25 | | 1+1+2(d+1)=3+8(b+9) | | 9x+4-4x=10+4x+5 | | 4k^2-16k-3=-3 | | 2(4-(x-1)+3x)=-18 | | 8/40 | | 16=6n-7n |