. ๐ฅ = ๐ฆ + ๐๐ก, ๐๐๐๐ ๐ก ๐กโ๐ ๐ ๐ข๐๐๐๐t
v = 3r/r-g make r the subject
v = 3rr-g make r the subject
3/x - 1/2x-1 = 2
2 $x^{2}$ -x-1
410*14
(x+y)^3+(X-Y)^3
2y=x-c
y-2x=11
-2y=x-c
c=x-2y