Question

if 2 power x + 2 power x + 2 power x =196 ,then 2 power 3x - 18 =______________

Answer 1

Answer:

X = 6. This is solved because 2^x+2^x+2^x =192 can be rewritten as 3*2^x =192. You can then divide both sides by 3 so the result is 2^x = 64. which can be rewritten as 2^x = 2^6 so x=6.