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)
-10 = (-1/2)*x // - (-1/2)*x
-((-1/2)*x)-10 = 0
(1/2)*x-10 = 0
1/2*x-10 = 0 // + 10
1/2*x = 10 // : 1/2
x = 10/1/2
x = 20
x = 20
| -5(e-5)-5=-4e+26 | | -20.3=6+3.1 | | 7(d-1)=2 | | -2/5-x=1/5 | | -5e(e-5)-5=-4e+26 | | 148=7g | | 4(5k+3)=-10 | | -360=4p | | -8+3f=6 | | 14a+a=30 | | 24=2b+(7b-39) | | -5(2x+3)=x | | 1.6+4x=8 | | y/-0.05=-40 | | -6(u-4)+4u=-7u+2(u-6) | | 25x=30+20x | | 2/5x-9=-4 | | 5/3(3(5)-6)-(6-4(5)) | | 20x=30+20x | | 1/7x=7 | | 3/4x=(-3)2/5 | | 1/7x=4 | | 43=3w+(2w-7) | | 1/5x=5 | | 2v-54=v+21 | | 25-x=5 | | 3/4x=-32/5 | | 2(9p+6)+8(p-1)= | | 5x-20=3x+42 | | -5(s+2)+5(s-6)=40-8s | | -8-2d+2=4 | | 2x-5=4x+11 |