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)
(1/2)*(9*x+9*x+8) = 0
1/2*(18*x+8) = 0
18*x+8 = 0 // - 8
18*x = -8 // : 18
x = -8/18
x = -4/9
x = -4/9
| 180-(10+70)-(60+20)=20 | | (x/-4)=9 | | 7y+3y=50 | | 4v-32=7(v-8) | | 4x-11/2(x^2)-11x+15 | | 8k-19=77 | | 6x-22=+7x+4 | | 2x-7y=1 | | c/-4=-4 | | 4x-11/2x^2-11x+15 | | 9-m/2=13 | | 2x-7y=4 | | 9t=-63 | | -x^2=5 | | tanx=40 | | 6x^4+x^2-1=0 | | y/3-21=-18 | | 5x(x^2-2x+1)=0 | | 6x^2=9x+105 | | 5-2b+5=3b-5-10 | | 3x^2/2=60 | | 12k^2-k+20=0 | | y=4x^2-36 | | x-(x/8)=-14 | | 4(x+18)=20 | | 2a=140 | | 4x-11/2(x*x)-11x+15 | | x-x/8=14 | | 6b-3/3b^2-12 | | -52+r/3=-57 | | 4x-6=-8x+10 | | 1/2p+8=-6 |