morgan8753oxqjyy morgan8753oxqjyy

12-12-2017
Mathematics

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one half the sum of a number z and 3 1/2 is 4 1/2

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Evelyn281 Evelyn281

12-12-2017

4 1/2(2)=9. Multiply by 2 to get total
9- 3 1/2=z. Subtract 3 1/2 from total to get Z
5 1/2= Z

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