William is 3 years older than Charmaine. The sum of 3 times Charmaine’s age and 2 times William’s age is 76. How old are William and Charmai

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William is 3 years older than Charmaine. The sum of 3 times Charmaine’s age and 2 times William’s age is 76. How old are William and Charmaine?

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    2021-09-06T05:25:40+00:00

    w is william, c is charmaine

    w = c + 3

    3c + 2w = 76

    substitute c + 3 for w

    3c +2(c + 3) =76

    3c + 2c + 6 = 76, combine the c’s and subtract 6 from both sides

    5c = 70

    c = 14

    w = c + 3

    so w = 14 + 3

    w = 17

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