If it's not what You are looking for type in the equation solver your own equation and let us solve it.
89=23^x
We move all terms to the left:
89-(23^x)=0
We move all terms containing x to the left, all other terms to the right
-23^x=-89
x=-89/1
x=-89
| 6p=5p+15 | | .07x+x=45 | | 5(7.2+-0.8y)+4y=36 | | 3x+12=x+38 | | w/5+40=49 | | 6(3x+4)=12 | | -3(2a+5)=9 | | -x/4+16=21 | | 21-2v=11 | | 8n+60=5n-42 | | 5g-14=6 | | 6n-60=5n-42-2n | | 5(7.6+-0.8y)+4y=38 | | 7(w-78)=98 | | x-131=263 | | x+172=346 | | 3(w-5)-8=-7(-4w+5)-7w | | x^2-25x+170=0 | | 4=r+16/5 | | 2y(y+3)=-8(y-2) | | 23=x/5+7 | | -1+8d=79 | | -9=x-19/3 | | -6(-4n+5)=78 | | 2x^2+2x-40=21 | | 2p+p=12-3p+18 | | y/5=4-4 | | -x-29=-40 | | |8x|=56 | | 8-7/3x=-6 | | b/8-1=2 | | p/8=p+7/10 |