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7x-4d use x = 8 and d = have (simplify algebraic exression)

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asked Aug 10, 2018 183k views

4 votes

7x-4d use x = 8 and d = have (simplify algebraic exression)

Mathematics
middle-school

Rajarshee Mitra asked

by Rajarshee Mitra

7.9k points

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1 Answer

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7 * 8 - 4d = 8
56 - 8 = 4d
48 = 4d
d = 48 : 4 =
12
--------------------------
7 * 8 - 4 * 12 = 8

RafaSashi answered Aug 14, 2018

by RafaSashi

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7x-4d use x = 8 and d = have (simplify algebraic exression)

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