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)
0.2 = x/20 // - x/20
0.2-(x/20) = 0
0.2-1/20*x = 0 // - 0.2
-1/20*x = -0.2 // : -1/20
x = -0.2/(-1/20)
x = 4
x = 4
| 15000(100+x)(100+x)=21600 | | 4x+89=-7x-65 | | -(5/w-5)=-7 | | 3x+20+6=1x+10+30 | | 2x+20+6=1x+10+30 | | X^2-3xy/9^2-x^2 | | n(n+2)=675 | | 5xy-xt+2xy+3xt= | | 2x+y=6x+2y | | 150(100+x)(100+x)=21600 | | 0.8x+y=9 | | 3x+8=-5x+4 | | x+2x+x+4=100 | | 10y+21-16y+81=0 | | (2x+9)(5x+2)= | | 8t=1/2×4×t^2 | | 4y/3=24 | | (15-3x)(4x+8)=0 | | 24x=84+20x | | Y/6=5,9 | | 15+17y=-25+2y | | x+27=3x+9 | | -x+29=2x+8 | | 5x-9=x+23 | | x-6=4x+21 | | -x-6=x+8 | | -x+20=x+6 | | -2x-25=x+2 | | ln^2(x)+9=0 | | 4x+25=x+7 | | (5x-4)*(12x+6)=0 | | -2x-15=x+6 |