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)
(4/5)*x-(2/5) = 8 // - 8
(4/5)*x-(2/5)-8 = 0
(4/5)*x-2/5-8 = 0
4/5*x-42/5 = 0 // + 42/5
4/5*x = 42/5 // : 4/5
x = 42/5/4/5
x = 21/2
x = 21/2
| 7(b+8)-4(6b-4)= | | √75x/36y^10 | | 7x-2-(6-2x-2)=12 | | 100x-56785446=4365306580 | | 67p=350p | | g/4=-16 | | k^2+32k=0 | | y=0.30x+100 | | 6x*-7x= | | 10+7timesn=6-5 | | 9/10x-4/5=6 | | 5b+5=270 | | 3.2(y+1)=2(1.4-3) | | .8k+7=-.7k | | e^7=9x+1 | | 200x^4-288x^2y^2= | | 7.32x+21.96=43.92 | | 226=285-x | | 8(s-4)=24 | | -2/2-6/3=-5/2 | | 219=-y+83 | | 12u^2+18u+10u+15= | | 8.01x+24.03=48.06 | | 4y=12-2y | | 1250+25x=800 | | 13-2x=-13 | | X+64+X+79+55=180 | | 3*[e+5(5*e)]=36 | | n=c^2+9c | | m+3(n+4m)= | | -0.91x=22 | | 234=(x+3)(2x+14) |