5:
a: =>2^x=32
=>x=5
b: =>2^x=2^7*2^4=2^11
=>x=11
c; =>6-n=4
=>n=2
d: =>(7x-11)^3=1000
=>7x-11=10
=>7x=21
=>x=3
e: =>x^2=8+9+64=81
=>x=9 hoặc x=-9
h: =>2x+1=7^2=49
=>2x=48
=>x=24
i: =>x^2-1=16*5=80
=>x^2=81
=>x=9 hoặc x=-9
k: =>64:2^x=7^3-341=2
=>2^x=32
=>x=5
s: =>2^x*(2+1)=96
=>2^x=32
=>x=5
m: =>x^10=1
=>x=1 hoặc x=-1
n: =>x^2(x^8-1)=0
=>x(x-1)(x+1)=0
=>x=0;x=1;x=-1