Question 1068747
a Al
j Juan


{{{system(a=j+5,(a+8)+(j+8)=35)}}}


{{{a+j=35-16}}}
{{{a+j=19}}}
-
substitution
{{{(j+5)+j=19}}}
{{{2j=19-5}}}
{{{2j=14}}}
{{{highlight(j=7)}}}
-
{{{highlight(a=12)}}}