If it's not what You are looking for type in the equation solver your own equation and let us solve it.
2^(z-1)=8
We move all terms to the left:
2^(z-1)-(8)=0
We move all terms containing z to the left, all other terms to the right
2^(z-1)=8
| 2x+13=34–x | | 1/2x+1=2/3-2 | | 2q=6,q= | | x^2-3(x+1)=-3 | | 19x=16x | | 19x-16x=0 | | 3(x+7)(x+7)=0 | | 5x²-90x+405=0 | | 2x(2x-1)=2 | | 6k^2-4k+3=0 | | 13x-11+30x-4+8x-9=90 | | 2+3(x+1)=11 | | 9-8x=-5-6x | | 13x-11+30x-4+8x-9=180 | | 4x+2=2x+6x | | 3k^2-12k=36 | | 4(x+3)/2-5=10 | | 2(3x+2)=9+x | | 2(5)^2r+5^r-1=0 | | 9x-11+11=106+11 | | 4(2x+8)-10=14 | | (30/4x+2)=(42/5x-2) | | -4|x+7|=-56 | | 6x-35=5x-20 | | 0.5x-x=11 | | 3/4x=12/4/3 | | 3x-12=5(x-3(7-2x)-7 | | 1/4(w+4)=10 | | F(a)=3(a+2) | | 3x-5=5-3 | | x^2+16x+56=-4 | | (k–21)=(-8) |