If it's not what You are looking for type in the equation solver your own equation and let us solve it.
f in (-oo:+oo)
(2/3)*f = 1/3 // - 1/3
(2/3)*f-(1/3) = 0
(2/3)*f-1/3 = 0
2/3*f-1/3 = 0 // + 1/3
2/3*f = 1/3 // : 2/3
f = 1/3/2/3
f = 1/2
f = 1/2
| 2(4d+3)+9d= | | 2(4c-1)-1=5c+9 | | (4+1s)8= | | 8(4+1s)= | | 4x+4=-2-8x | | 4(1s+8)= | | 8(2-w)=-16 | | 32s+8= | | 2n^2-5=12 | | 8(1s+4)= | | 8x^2+12x-64=0 | | -0.02x^2+1.2x+6.1=0 | | (x-1)(x-2)-(4x-1)(3x+5)-6=8x-11(x-3)(x+7) | | 3(3x-3)+2x=112 | | 8(4v+4)= | | 16v+32= | | 32v+16= | | 0.4(0.1m-0.1)+0.5=-0.1(0.1-0.3m) | | 5(h-2)=-30 | | 8(ln(x+1))=0 | | 4(8v+4)= | | 3+-5=x+2 | | -3(-8+3h)+-5= | | 12.5x+3.4y-6=23+2 | | -16+31=-3(x+9) | | b/6-2 | | (-8+3h)*-3+-5= | | 7(-6b+6)=-6(1+3b) | | 5x^2+-45=0 | | 20+6u=10u | | -3(-3h+6h+-8)-5= | | 35x=50x |