lost-and-happy:

I need someone to show the work and stuff

1. 2x = 4/5

2. x/6 = -18

3. 1/2^x = 16

thats it but yeah o-o help?!

1. 2x = 4/5

=> x = 4/(5*2) = 2/5

2. x/6 = -18

x = (-16)(8) = -128

1/2^x = 16

1/16 = 2^x 

=> 1/2^4 = 2^x

=> 2^(-4) = 2^x

=> x = -4

(Source: reevaluate-ur-life)