Video: Forming Linear Equations in Two Variables

The width of a rectangle is 5 more than half of the length. Write an equation for the width, š¯‘¤, in terms of the length, š¯‘™.

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Video Transcript

The width of a rectangle is five more than half of the length. Write an equation for the width, š¯‘¤, in terms of the length, š¯‘™.

If the length of the rectangle is š¯‘™, then half of the length will be š¯‘™ divided by two or š¯‘™ over two. We are told that the width is five more than this. So we need to add five to š¯‘™ over two. The width š¯‘¤ is equal to š¯‘™ over two plus five. We could use this equation to calculate the width when given the length or vice versa.

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