Question 42288
Width is x; length would be {{{(1/3)x+7}}} so the equation is 
{{{118=2((1/3)x+7)+2x}}}  You can then divide everything by 2
{{{59=(1/3)x+7+x}}}  Then you can multiply everything by 3 to get rid of the fraction
{{{177=1x+21+3x}}}  Now combine the x terms
{{{177=4x+21}}}  Isolate the x on one side of the equals by subtracting 21 from both sides
{{{156=4x}}}  Divide both sides by 4
{{{x=39}}}  This is the width to find the length you would need to substitute this in the length formula.

{{{(1/3)(39)+7}}}  Length equals 20 make sure you label everything.