If it's not what You are looking for type in the equation solver your own equation and let us solve it.
r in (-oo:+oo)
r/2 = -(4/11) // + 4/11
r/2+4/11 = 0
1/2*r+4/11 = 0 // - 4/11
1/2*r = -4/11 // : 1/2
r = -4/11/1/2
r = -8/11
r = -8/11
| 5(a+3)=-2(6a+1) | | 2x(5x-1)+7(x-3)=10x^2+4(x-8) | | 138=6(3-4k) | | (x+4)-(5x+7)= | | 8a-(-1)a= | | 260/32 | | 6v=2/3 | | 14-7/4 | | h-1/2=9/4 | | -14-7/4 | | 2a-10-3a=18-4a | | 3n=9/14 | | 20/3×a=180 | | 10/24-21/24 | | 2x=-1x-2 | | 1/2m-9=5 | | 6=x-(x*0.109) | | 4x-18=25-2x | | 4m+30=4.5m | | (X-7)/4=-2 | | x+6=3x-16 | | f(x)=-3x^2+2-5whatisf(-1) | | -(8p-7)=-(-1+2p) | | m-3/5=9/5 | | 12a=3a | | rp-36=1 | | 5x^2+42x+149=0 | | 2/5a-9=-17 | | -x+1=x-5 | | f(x)=-3x^2+2-5 | | p+25=3 | | 10+2(f-3)=0 |