: Find the perimeter of a rectangle with a length of 6 cm and a width of 4 cm.

: $ \(2x + 5 = 11\) \( \) \(2x = 11 - 5\) \( \) \(2x = 6\) \( \) \(x = 3\) $

: Solve for x in the equation $ \(2x + 5 = 11\) $.