Question 914971
{{{x+2C[x]+(1/8)S[x]=180}}}
{{{C[x]+x=90}}}
{{{C[x]=90-x}}}
{{{S[x]+x=180}}}
{{{S[x]=180-x}}}
Substituting,
{{{x+2(90-x)+(1/8)(180-x)=180}}}
Multiply both sides by 8.
{{{8x+16(90-x)+180-x=1440}}}
{{{8x+1440-16x+180-x=1440}}}
{{{-9x=-180}}}
{{{x=20}}}
{{{C[x]=70}}}
{{{S[x]=160}}}