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TEA [102]
3 years ago
12

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

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
4 0
7 * 8 - 4d = 8
56 - 8 = 4d
48 = 4d
d = 48 : 4 =
12
--------------------------
7 * 8 - 4 * 12 = 8
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