Which equation, when solved, results in a different value of x than the other three?
16 - () --2-20
you have worked cut out for you but have a good day : )
let's start by ruling out answers. b and c are way too much, as c is the weight of a teenager, and b is way too heavy to even comprehend.
because 10^20 or 10^-20 are very small amounts, we can also rule a out to get that the answer is d.