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16 November, 08:22

The perimeter of a rectangle is 50 cm and the length is 4 cm longer than the width. Write and solve the system of equations using the substitution method

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  1. 16 November, 11:38
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    P=2 (l+w)

    50=2 (4+w)

    50=8+2w

    collect the like terms 50-8=2w

    42=2w divide both sides by 2

    w=21
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