Question

Find the perimeter of the figure
where the length is 4x + 7,
the width is 2x - 5.

Answer 1

4x+7+2x-5=0
6x+2=0
x=-1/3

Now put the value of which is -1/3 in length and breadth .

I had done like this , May be it’s right or wrong ,

May be it might helps you!