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postnew [5]
3 years ago
9

4 = 0.4 (3d - 5) Please help

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
6 0
4=.4(3d-5)
4=1.2d-2
6=1.2d
d=5
Anna [14]3 years ago
4 0
4 = 0.4 (3d - 5)
4 = 1.2d - 2
4 + 2 = 1.2d - 2 + 2
6 = 1.2d
6/1.2 = 1.2d/1.2
5 = d
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