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 = 40*(x/50+1/2) // - 40*(x/50+1/2)
x-(40*(x/50+1/2)) = 0
x-40*(x/50+1/2) = 0
x-40*(1/50*x+1/2) = 0
x-40*(1/50*x+1/2) = 0
1/5*x-20 = 0
1/5*x-20 = 0
1/5*x-20 = 0 // + 20
1/5*x = 20 // : 1/5
x = 20/1/5
x = 100
x = 100
| 2x+7-4x=-3 | | 2x-7x-10=-5x+7-10 | | 3x(x-5)=7x^2-16x^4 | | 5x^2y+13x^2y= | | x^3+x^2-13x+10=0 | | -4(3y-2)+5y=2(y+1) | | 2-x=(x-2)(x+7) | | 5+(m+3)= | | 7B-13=12b+7 | | 5x^2+13x^2y= | | 2x^3-13x^2-48x+27=0 | | r^2-81=(r-9)(r-9) | | 2x-11y=29 | | (t^2)+(4t)=4 | | (1/6-1)(1/12+1/3) | | 106x^2+106x=106 | | -3(-5u+6)-8u=3(u-6)-6 | | x^2-28x-7=0 | | 1-9x=-3x-7 | | 5x-5(2x-3)/6=4 | | 8k+8=-6 | | (2-1/3)^2 | | 3g-4(5g-2)+16=10 | | 3x^5-3x=0 | | 7-4a=25 | | -17c+17c-5c+-14c=19 | | r(c-2)+z(c-2)= | | (1+49/9)/(1-7/3) | | .3x^2-30x=.3 | | 1+(49/9)/1-(7/3) | | q+17/15=-12/5 | | 10w+14-8w=12 |