SOLUTION: Please help me solve this equation.The sides of a rectangle are x centimeter and 3 centimeter. Its perimeter is 24 centimeters. Find the value of x.

Algebra ->  Rectangles -> SOLUTION: Please help me solve this equation.The sides of a rectangle are x centimeter and 3 centimeter. Its perimeter is 24 centimeters. Find the value of x.      Log On


   

Question 916439: Please help me solve this equation.The sides of a rectangle are x centimeter and 3 centimeter. Its perimeter is 24 centimeters. Find the value of x.
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

The sides of a rectangle are L=xcm and W=3cm.
Its perimeter is P=24cm
P=2L%2B2W

24cm=2x%2B2%2A3cm

24cm-6cm=2x

18cm=2x
9cm=x