The perimeter of a rectangle is 22 inches. Find the dimensions if its length is 3 inches greater than its width.

Length: 7

Width: 4

Step-by-step explanation:

We can create a system of equations for this problem, where is the width and is the length.

The perimeter of a rectangle is twice its length added to twice its width.

The length is 3 more than the width:

We can now substitute in as in the equation .

Distribute the first terms:

Combine like terms:

Subtract 6 from both sides:

Divide both sides by 4:

Now we know that w = 4. We can now substitute this inside an equation to find .

Hope this helped!

step-by-step explanation:

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