Question 982495
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{{{J[1]}}}=Jim's age; {{{J[2]}}}=Judy's age
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{{{J[1]=2J[2]+3yrs}}} Use this to substitute for {{{J[1]}}}
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{{{J[1]+J[2]=54 yrs}}} Substitute for {{{J[1]}}}
{{{2J[2]+3yrs+J[2]=54yrs}}}
{{{3J[2]=51yrs}}}
{{{J[2]=17}}}
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{{{J[1]+J[2]=54yrs}}}
{{{J[1]+17yrs=54yrs}}}
{{{J[1]=37yrs}}} ANSWER: Jim is 37 years old.