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)
(1/5)*x-4 = (1/2)*x-((1/5)*x) // - (1/2)*x-((1/5)*x)
(1/5)*x-((1/2)*x)+(1/5)*x-4 = 0
(1/5)*x+(-1/2)*x+(1/5)*x-4 = 0
-1/10*x-4 = 0 // + 4
-1/10*x = 4 // : -1/10
x = 4/(-1/10)
x = -40
x = -40
| 7x=524.586 | | 0.05=2.29y+y | | 23-4x=12x+126 | | 15t=17+8-24 | | 4x+.80=25 | | 8k-5=51 | | 9w-26=28 | | 2x-4(x-5)=-6+5x-2 | | 5(10-4x)=290 | | 5(4)=16x | | 5t+4=36 | | 79=5u+14 | | -29(t+253)=406 | | -12/x=3-18/x-4 | | 5x+10=2+18 | | 3/6=13/x | | 79=u+14 | | 5x+10=2+15 | | 108=8y-3x | | -35=-5+5y | | n+(-9)=-9 | | 5x+10=2+20 | | (2+2y)+(3+5c)= | | 2(2x-3)-2x^2=(3-2x)x | | 1(x+15)=1x | | 5(x+3)=16y | | -11(k-862)=-803 | | 2u+11=51 | | 18p+36p=4884 | | 5x-1=19-4x | | 12x+8=18x-3 | | 5x-4+2(x+4)=16 |