Question 1170470
Jay, 24
Fred, 29


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{{{system(j-5=7+(1/2)(f-5),jf=696)}}}
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{{{2j^2-19j-696=0}}}


discriminant, {{{5929}}}, {{{or}}} {{{77^2}}};


{{{j=(19+77)/4}}}

{{{highlight(j=24)}}}
-
{{{highlight(f=29)}}}, {{{f=696/24}}}