Geometry
posted by Edith .
The area of a rectangle is 54 centimeters squared. The side lengths are 2x+1 and x+2. What is the measure of each side

2(2x + 1) + 2(x + 2) = 54
4x + 2 + 2x + 4 = 54
6x + 6 = 54
6x = 48
x = 8
Take it from there.