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)
4-((4*x)/4) = 0
4-x = 0
4-x = 0 // - 4
-x = -4 // * -1
x = 4
x = 4
| 4(-3x-5)=15 | | 2-(-1x)=-8 | | X^2-7x+52=0 | | 5b+6=1 | | x^2=3x+44 | | (2+y)dx-(3-x)dy=0 | | X^2-7x-52=0 | | 6q+12r+3q-11r= | | 3.18x=8.72 | | x^2-2mx+m(1+m)=0 | | x^4-7x^3+13x^2-7x+12=0 | | 3x+6-4x-2=12 | | 14m-3/4=1/5m-3/5 | | -8-4m=5m-26 | | -8-4m=5m-2b | | 5/8-15/24 | | (2)(2)/(5)w=(21)(3)/(5) | | 5x-7y+3x-4y= | | 3x+2=2(3x+1) | | 2orix+5=23 | | 8*(5x+8)=-96 | | 4+3q=19 | | 5/2x=1/4x-1/6 | | x-10=18+3x | | 15x^2-2x+8=0 | | 2x^2=4x+5 | | x-10=-3x+28 | | 6x-15=2x+11 | | 4(1+2x)=-16(x-2) | | 6y-3g+2y+4g= | | 5x-3+4x+7=90 | | 2x-5=-5x+2 |