If it's not what You are looking for type in the equation solver your own equation and let us solve it.
z in (-oo:+oo)
9 = z/3 // - z/3
9-(z/3) = 0
9-1/3*z = 0 // - 9
-1/3*z = -9 // : -1/3
z = -9/(-1/3)
z = 27
z = 27
| 10n^2=90 | | 4x-7+2x+13= | | F-3=4 | | 1+3cos(x)=0 | | -9=5+h | | -6.5+4x-7= | | -3y=1.17 | | 73.00-7.33= | | 2(m+4)=16 | | -2x+0=-x+2 | | 11x^2+14x+3= | | 73.00-.33= | | 6x-(-40)=22 | | 12=-3y | | 38x+(4x*2)=3000 | | 2x+7=6x+1 | | 2x+28=6x+56 | | 3(x-7.7)=9.9 | | -2px-x+2=0 | | 13=4-3g | | 2/9n=-6 | | 2/9xn=-6 | | -2px-2+2=0 | | (17-x)/23=-25 | | 8c-5=-197 | | 4x+11y=5 | | 65=6t+8 | | 147=-3x-6(-2x-11) | | 5x+7.34=3x+11 | | (9.5x-75)/(X-15)=9.75 | | n(n^2-1)(n-2)=720 | | 1=5-q |