The length of a rectangle is the sum of the width and 3. The area of the rectangle is 54 units. What is the width, in units, of
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The sum of numbers or expression involves adding the expressions and the numbers together.
Assume that the sum of the degrees is given as:
The above sum can be rewritten as:
Take the sum of all the numbers (including -2 in bracket)
If the sum of the degrees is given as , then the number of years he worked would be 6
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