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)
100*(x/20) = 40 // - 40
100*(x/20)-40 = 0
5*x-40 = 0 // + 40
5*x = 40 // : 5
x = 40/5
x = 8
x = 8
| 4/3*3.14*6^3 | | 5x+8+10x-12=180 | | 49=-7(c+1) | | -2x^2-6x+360=0 | | 7x+2-3x=-30 | | 3x+6+7x-4=180 | | 3x-34=98 | | 3x-34=99 | | 3n+4(n+11)=79 | | p-30=54/11(18-4) | | (3a-2b)(3a-2b)= | | x-40/9+x+7/2=-4 | | Y=-2+4.5x | | 2/5x=-20 | | 15/16x=135 | | 1/x+5=x-4/x | | 50b+11-13b=48 | | 4x-6=2x-10 | | 3(x-1)-2=8 | | 3h+4-2=5 | | 2(5x+3)=37 | | 5x+8y=20-7z | | 3+4-2=5 | | 5(x+7)+4=-6x(x-6)-3 | | 4/3(-x-7)=-4 | | 8p-44.4q= | | 1/8(150+x)=125 | | 8p-44.4q=62 | | 5d+5=20-3d | | 5d+5=20-3d | | 9x^2+6xy+17y^2=1 | | 38s-39=51s-91 |