The length of a rectangle is 4 units shorter than half the width. If the length of the rectangle is 18 units, which equation can be used to find w, the width of the rectangle?

equation to find w:

and the value of the width is:

Step-by-step explanation:

Information that we have:

Length:

"The length of a rectangle is 4 units shorter than half the width"

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Representing the width with , what the last sentence is telling us is the following:

Substituting the value of the length

this is the equation we can use to find the width of the rectangle.

And solving for we get:

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step-by-step explanation: