If it's not what You are looking for type in the equation solver your own equation and let us solve it.
W in (-oo:+oo)
(1/5)*W-4 = W+4 // - W+4
(1/5)*W-W-4-4 = 0
-4/5*W-8 = 0 // + 8
-4/5*W = 8 // : -4/5
W = 8/(-4/5)
W = -10
W = -10
| X^4+8x^2-9=0 | | 161.71=163 | | 2x^2-20=-3x | | 5=m/2-5 | | 610=(x*.05)+(y*.06) | | 610=(x*.05)+(x*.06) | | 25=2c+7 | | 5s-3=48 | | x+5/2=7/3-x-3/3 | | X=5x^2-4 | | x^2/5-x^1/5-6=0 | | -0.067(60)+.8x=0.4(60+x) | | j/3+10=65 | | x^2/3-4x^1/3-5=0 | | 8000000000000000*0.01= | | k/2-5=13 | | 5x-4(x-6)=-1 | | 2-(72/x^2)=0 | | 3i/(4+4i) | | 2-72/X^2=0 | | y=3x^2+8x-3 | | 0.002(5-k)+0.02(k-8)=1 | | 5c^3+15c^2-50c=0 | | 5x+78=100 | | 44x-14=106 | | 333x-333=666 | | 38x-10=66 | | 84-7(25-3(9-7+3))/14 | | a/3+5a/12=9/4 | | 7x-3=N | | 82+84=N | | 2x-3=36 |