1/5 divided by 5/2
9wr=81,for w
solve 6+25x=21 write x as a fraction in its simplest form
8/3-1/4
simplify 15/16-9/12
15/16-9/12 simplify
x+x$^{n}$+10
x+X $^{n}$+10
x+X $^{N}$+10
x+X $a^{N}$+10
