05-05-2016
Mathematics

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A classroom's length is 3m less than two times its width. The classroom has a length of 9m. Solve an equation to determine the width of the classroom.

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05-05-2016

The equation would be 2w-3=9. Do the inverse operation for '3' on both sides of the equation. Then do the inverse operation on both sides of the equation for '2w'.

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