If it's not what You are looking for type in the equation solver your own equation and let us solve it.
9^8x=81
We move all terms to the left:
9^8x-(81)=0
We move all terms containing x to the left, all other terms to the right
9^8x=81
x=81/1
x=81
| (-23/2)/6=x | | x2+17x+30=0 | | 25-3x=x+5 | | 34.97=7g+3.68 | | x+.18x=3000 | | 4a^2-10a+9=0 | | 7(n+4)+2(7n-6)=8n-3n | | 3x-10=2x-12 | | 4x+32=-26 | | 6(x+4)=3(8+2x) | | 26*x=1191 | | -7(p+1)-p-12=-8(p+4)+13 | | y^2+14y+18=0 | | 42-5w=w | | 5x=(-5)=35 | | 15x=20x-6x | | 2p-2(4-3p)=5(p-5)-13 | | 6z=1/2z-8) | | -6x-4(-7x-13)=-15 | | -4x+6-2=-24 | | 3(4x+6)=18x+4-6x+14 | | 7x+x−2=14 | | 7u+u−2=14 | | 3x^2-45x=-45 | | 5n−3=4n | | -3r=-2r−7 | | -6u=-7u+2 | | 10-7x=28-3x | | -66=-63(-7-8r)+72r | | -4v+2v=-2 | | 3y−4=14 | | -(8+5n)+3n=-5(n-5) |