If it's not what You are looking for type in the equation solver your own equation and let us solve it.
n in (-oo:+oo)
((3/10)*n)/90 = 0
1/300*n = 0 // : 1/300
n = 0
n = 0
| g(x)=x^2-x+3 | | 23x+-5+21x=5 | | y=5/9(6-32) | | 12z+6=-2(-6z-3) | | 7=k+10 | | 20-B=12 | | 4(2c+7)=12 | | 8x+10y =18 | | 5+(2-X)= | | 8x+10y = 18 | | 5/16x2/15x4 | | 8y=1.8y | | 5t+5=35 | | 2/3x5/6x3/4 | | X+189=132 | | a+2(2-a)=8 | | 1/2p=24 | | 7(2l+10)=112 | | 10m+5=50+m | | 2tan^2x-3=1 | | -3-b+130=180 | | 11d+6=3D+54 | | (7x-4)(7x-4)=x*x*x*x | | 9m-10=73 | | 7a^2+62a+48=0 | | 12+(-16)=7x-4-6x | | 6e-2=1.6 | | 35x^3-30x^2=0 | | 5x^2-4y^2-20=0 | | -3b+130=180 | | 8p=32.8 | | 5(10x+x)=550 |