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)
(1/2)*x-13 = -13 // + 13
(1/2)*x-13+13 = 0
1/2*x = 0 // : 1/2
x = 0
x = 0
| 396=86H/173^2 | | -3v+3(5v+10)= | | 6n^2+11n-30=0 | | 36-(2x+13)=2(x+4)+x | | 4[1(-5x-4)]=180x+148 | | 7(9+10x)+9x= | | n+12.91=5.91 | | 4(z-16)-4=4 | | 4-4x-9x+5= | | 5e-11=24 | | y/3=5 | | 7+9k+5k= | | 1/4x-14=21 | | n+5.91=12.91 | | -x+17=11 | | x^2+3.61x+3.24=0 | | -5p+10p= | | 4x/7=43-2x | | y^5-8y^4+4y^3=0 | | 4x-2y=38 | | -3x+6=y | | n-12.91=5.91 | | 4x/7-43-2x | | 7x+18=46 | | 0.39n=2.73 | | y-5=6(x+1) | | 2x=3x+1/2 | | 80x+20=2000 | | X+(x+38)+(4x-39)=749 | | 0.5x+3=4x-1 | | 6-4(3x-4)=-2 | | 8y-4x= |