Question 1125521
Two pieces may be x and x+12.
Their sum must be 106.


{{{x+(x+12)=106}}}
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{{{2x+12=106}}}
{{{x+6=53}}}
{{{x=47}}}
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{{{x+12=47+12}}}
{{{x+12=59}}}


The two lengths are  47 and 59.