If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
20*x+(8/21)*x = 0
428/21*x = 0 // : 428/21
x = 0
x = 0
| 2x-x-19=27 | | 3x-7=6x-4+2x | | 4/5x=51/2 | | -16t^2-8t+10=0 | | 7z-9+5=-2z+5 | | X-27=16 | | X-27= | | 12.2+-7.4=5.5 | | -13a+14-4a=7a+62 | | 6x^5-12x+6=0 | | (z-15)x(z+2)= | | -6*q=108 | | 2*ln*x+1=ln*2*x | | 9-24=5a | | z-35=60 | | 9x+8(x+3)=75 | | 4x+52=6x-8 | | -5(-1)=4m+5 | | 4x*52=6x-8 | | (4x+3)*4=(8x)*2+(4x+1)*2 | | 2/x-8 | | .14285714y+4=-13 | | 201=-y+12 | | 0.2(x+12)=32 | | 13-5x=40x+20 | | h=16 | | 0.2(x+12)=25 | | 9x+5=3x-13 | | (z-15)(z+2)= | | -3/x=-9 | | f(x)=-5+11 | | 0.7+4.6=7.3-0.2 |