Question 92012
2x+ 3y = 6 (for x)
{{{2x+3y-3y=6-3y}}}
{{{2x=6-3y}}}
{{{2x/2=(6-3y)/2}}}
{{{highlight(x=(6-3y)/2)}}}


D = c-s over n ( for s)
{{{D=(c-s)/n}}}
{{{Dn=n(c-s)/n}}}
{{{Dn=c-s}}}
{{{Dn-c=-c+c-s}}}
{{{Dn-c=-s}}}
{{{-1(Dn-c)=-1(-s)}}}
{{{-Dn+c=s}}}
{{{highlight(s=c-Dn)}}}
Happy Calculating!!!