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)
(3/10)*x+1+10 = 0
3/10*x+11 = 0 // - 11
3/10*x = -11 // : 3/10
x = -11/3/10
x = -110/3
x = -110/3
| 0.02x+0.09(200-x)=13.8 | | 18+x=336 | | 5/7x1 | | -(4y+5)-(3y-6)=4 | | 7[6-6(1-4)]= | | 10x=-2y-6 | | 24p^6q+30p^5q^3+42p^3q^2=0 | | -54=-7(1-7x) | | (5/2)/40 | | (3x-7)(2x+2)=180 | | 2.4(-1.9+0.1x)=0.2x-4.88 | | 3/(3-x)-1/(x-6)=0 | | 6x+60=30x | | -1y=4+(-2x) | | 16-1/2(16k+8)=9K-7 | | -x+3x=-16+4x | | -3(8y-3)=4(1-7y)+8 | | 13=6+x*13-6 | | -10w^2+27w+5=0 | | 6x-20=x+12 | | 3/3-x-1/x-6=0 | | -5(4x-2y+7)= | | 6.8x-1.1=26.1 | | 6(2x-9)=2(6x+8) | | d=8/7(m-95) | | 90=-6(2x-3) | | 0.5x-0.1=0.4-0.9(5-5x) | | x+4=-x-4 | | 40x-24y=0 | | 5/4+4m/3=35/12 | | 2x-2=2-3x | | =81s^2-49 |