Question

Please help!!!!! ALL, PLEASE!!!! ​

Answer 1

1) 4 raised to what power gives 128?
You can find this on the calculator by typing (log128 / log4)
The result: 3.5
So, 2x+1=3.5
x is 1.25
2) 2 raised to what power is 1? The answer is 0.
2x+2=0
x=-1
3) 5^3=125
x+3=3
x=0