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)
t+9 = 18 // - 18
t-18+9 = 0
t-9 = 0 // + 9
t = 9
t = 9
| x^3+4x^2-11=y | | 9+a=6 | | 4b=-40 | | w-10=-17 | | -9+t=-13 | | -15=w-8 | | -4+t=-4 | | x^3+4x^2-11=0 | | -1=b+5 | | d+2=11 | | b+3=6 | | 4=d+6 | | k-2=6 | | n/-5=-5 | | -9x-44=2x | | 9=d+10 | | w+8=12 | | -2d=0 | | d+7=-2 | | 3/4x=3/7 | | x=64+(64*.2) | | (-1+3w+-2w^2)=0 | | w-5=-15 | | d+7=16 | | 6+k=8 | | 2=k-9 | | 9+t=10 | | 6x+3-2x=x-12 | | -9+w=0 | | -4n=44 | | 7=m-1 | | 2w=-4 |