Can someone show me the steps to solve this plss: 1/2n + 4 = 1/3n

Arectangular exercise mat has a perimeter of 36 feet the length of the mat is twich the width writeand solve an equation to determine the length in feet. of the mat then find the area in square feet of the mart

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

Arectangle has a width of 5 cm and a length of 10 cm. if the width is increased by 3, how does the perimeter change?