If it's not what You are looking for type in the equation solver your own equation and let us solve it.
t in (-oo:+oo)
((-1/3)*t^2)/9 = 7/9 // - 7/9
((-1/3)*t^2)/9-(7/9) = 0
((-1/3)*t^2)/9-7/9 = 0
-1/27*t^2 = 7/9 // : -1/27
t^2 = -21
t belongs to the empty set
| -1(-3)(-6)(2)= | | 5x+3x-18=-74 | | 25r-7=-8 | | y-18=-29 | | 5m+12m+8m+11m+22m=8.70 | | 9x^15y^4/-3x^5y^3 | | -3(2s-5)-15=-3(6s+5)-5 | | 11x-29=8x+55 | | 3d+157=34 | | 2x+4.8=8.6 | | 10v^2-11=0 | | 5/14=-y/7 | | 5+3x=12.2 | | 81x^2-225x-625=0 | | 7(x-3)=5x-17 | | x+35=4x+11 | | 169x^2-130x+24=0 | | -9/10t=5/8 | | -6x-36=18-8x | | 2(y+7)=-14 | | 7.41=2*3.14r | | 1/4m=9/4 | | 3x^2=5x+28 | | 1+p+4p=-9 | | 0.15(w+2)=0.3+0.2x | | 9x^2+30x-11=0 | | 7.85=2*3.14r | | 4x+3x+5x+x=126.75 | | 40+115s=7.50 | | (4x^2+2d+5)+(7x^2-5x+2)= | | 4p+32=12p | | 7.85=2+3.14+r |