Question 1151613
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Let x and y be the two integers<br>
Their sum is twice their difference:<br>
{{{x+y = 2(x-y)}}}
{{{x+y = 2x-2y}}}
{{{3y = x}}}<br>
Their product is 243:<br>
{{{xy = 243}}}
{{{(3y)y = 243}}}
{{{y^2 = 81}}}<br>
You can finish from there....<br>