If it's not what You are looking for type in the equation solver your own equation and let us solve it.
y in (-oo:+oo)
y/5+y/4 = 8/9 // - 8/9
y/5+y/4-(8/9) = 0
y/5+y/4-8/9 = 0
9/20*y-8/9 = 0 // + 8/9
9/20*y = 8/9 // : 9/20
y = 8/9/9/20
y = 160/81
y = 160/81
| 0.2y+0.6=0.2-0.2y | | -6x=-50+4x | | x/4+3=-12 | | 10x/7+10=-11 | | 49u^2-28u+4= | | 8x-2=-8+7x | | 5x=-7x+5 | | 10x/7+10=11 | | 2y^2+13y-3-y^2-10y-25=0 | | =9t^2+12t+4 | | 2y^2+13y-3-y^2-10y+25=0 | | -10d^2+3d+27=0 | | a/5-7=-4 | | -3=1/2(2)+b | | (9-4a)(7a+28)=0 | | -7x+21=-2x+6-5x | | 6(2y+1)-7=5(5y-5)+21 | | 35x^2=120y-100 | | (x^2+20x+91)/(x+7) | | 3r+6-2r= | | 3(3n-2)=(3n+1)1 | | p+1/3p=2/3 | | 2w^2+7w+7-w^2-10w-25=0 | | 8(4k-4)=5k | | 3(3n-2)=(3n+1)+1 | | -2=-1/4(-4)+b | | 80x-4x^3=0 | | 2w^2+7w+7-w^2-10w+25=0 | | 14a+12=-16-7a | | -x^2-16x-60=0 | | f(x)=111-2x | | (g-3)=6 |