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)
f/29 = 21 // - 21
f/29-21 = 0
1/29*f-21 = 0 // + 21
1/29*f = 21 // : 1/29
f = 21/1/29
f = 609
f = 609
| 3(m+1)=4m-7 | | 32+x*x=180 | | 3x-7=5x-15 | | Z=6squaredxy | | d/6=16 | | Log[8](3x+-1)=18 | | 6x^3-12x^2-15x=0 | | 1.2x-3.3=4.9x+6.1 | | (x+15)+39x=180 | | M^2=-6 | | -16t^2+40t+3=0 | | x^2+2k+10=0 | | cot^2(x)-2=1 | | (x+15)+3x=180 | | 49*x=46*98 | | (7x+5)=180 | | -16t^2-40t-3=0 | | -4(6x+6)+6=-2x+26 | | 108/(19*6) | | 180=3x+(3x-18) | | cot^2x-2=1 | | [r^(21/2)]-4r | | r^(21/2)-4r | | x^2-x+10=-3kx-2k | | 0.25*(2x+5)=.13x+3 | | 3(t+-4)-8(2-3t)= | | (r^42)-4r=0 | | 7a+1-a=19 | | =64-125a^3b^3 | | 2x^2+2x=-8 | | 0.25*(-2x+5)=.13x+3 | | 8c^2+6c-35=0 |