Question 169104
Perimeter: {{{P(x)=(2x-5)+(3x-9)=(2x+3x)+(-5-9)=5x-14}}}



This means that {{{P(x)=5x-14}}}



So when x=4



{{{P(4)=5(4)-14=20-14=6}}}




So {{{P(4)=6}}}