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Damaris Lam
Mathematics
9 June, 07:16
7.8 + 2 (0.75m + 0.4) = - 6.4m + 4 (0.5m - 0.8)
+2
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2
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Hanna Bender
9 June, 07:27
0
m = 13.4/4.65
Step by step:
7.8 + 2 (0.75m + 0.4) = - 6.4m + 4 (0.5m - 0.8)
7.8 + 2.75m + 0.8 = - 6.4m + 4.5m - 4.8
2.75m + 6.4m - 4.5m = - 7.8 - 0.8 - 4.8
4.65m = 13.4
m = 13.4/4.65
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Milton
9 June, 07:29
0
B
Step-by-step explanation:
She is incorrect because when substituting 2 for m the result was a false statement.
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