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)
W^2+(8/3)*w^2+6*x-12 = 0
W^2+8/3*w^2+6*x-12 = 0 // - W^2+8/3*w^2-12
6*x = -(W^2+8/3*w^2-12) // : 6
x = (-(W^2+8/3*w^2-12))/6
x = (12-W^2-(8/3*w^2))/6
x = (12-W^2-(8/3*w^2))/6
| 6c-2+2c=18 | | 42/2+60-8+61-8*3 | | 5/2v-4=7/2v | | -3a+4+4a=13-12 | | 3/5y+y=120 | | -4u^2+29u-45=0 | | 3r-8= | | 7x^2-98x=0 | | 0=-16x^2+16x+1440 | | 4x+13=-2x | | 51=12z+3 | | 54=9y-18 | | 8(5y-3)-(2y+5)= | | (8/4+6)x2 | | 51=13x+3 | | A/8+26=74 | | 54=9t-18 | | 5x^2=1.25 | | 864/9+897-21-64-2+5 | | (4a^3+2b^3)-(3a^2b-4ab^2+2b^3+4a^3)= | | x^2-2x-99=.2 | | 600/2+16-8+619-7*2 | | -2x-8=7x-2 | | 3y-4+68+5x=42 | | (24x^5-6x^3+4x^2)+(3x^2)= | | -2x+8=7x+2 | | 4500/5+16-8+61-2*2 | | 2x+8=7+1 | | 1/99-2/10=-x | | 15a^2-19a+6= | | y^2+3y-27=0 | | 13*7+6=87 |