3rd one ( not 20 characters so ASHWDHWHEIUCNEJEIH)
Answer:
Step-by-step explanation:
Ok wait. Try add
<em>Subtract</em> 2/3x on both sides.
Combine 5/3x and -2/3x to get x.
Subtract 4 from both sides. <em>Any value</em> subtracted from zero results in its negative value.
I’m not sure if I’m correct but I think it is 2^21