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)
X = 3/(3/20) // - 3/(3/20)
X-(3/(3/20)) = 0
X-20 = 0
X-20 = 0 // + 20
X = 20
X = 20
| n+(-17)=-36 | | a-b+c=7 | | x*0.04=1100 | | 5x+-2=11 | | ×/15=20/30 | | 2(9x+11)=2(4x+6) | | 7x-3x-10=34 | | 3x+7+2x+3=60 | | 13n=-13 | | 4x+4y=8x-2y | | 22x+1=4 | | 10+m=-6 | | b+16=13 | | 4x-8=7-6 | | 8a+2y-3a+7= | | 3[x+3]-2[x-1]=5[x-5] | | 6x=y-3 | | 3y=5x-16 | | H^2-36+5h=0 | | 16x^2-68x+16= | | 6x-3x^2=1600 | | 0.7n+3=4 | | 16x^2-22x+16= | | 2x^2+10x-875=0 | | 1w+2b=11 | | (x^2)-24=x^2+8x+16 | | 8x=144-8x | | 8x=14-8x | | 7x=120-8x | | 8x=66-3x | | 5x=63-2x | | 2+2*shx*sinx=0 |