Question 1082155
{{{system(p-4=3(s-4),(p+5)+(s+5)=38)}}}



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{{{p+s=28}}}
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{{{p=3s-12+4}}}
{{{p=3s-8}}}
{{{3s-8+s=28}}}
{{{4s=36}}}
{{{s=9}}}
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