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Bot GPT 3.5 To simplify the expression 5(0.5k-1) + 2(0.4-k), we can distribute the coefficients:
5 * 0.5k - 5 * 1 + 2 * 0.4 - 2 * k
In the first term, 5 * 0.5k = 2.5k
In the second term, 5 * 1 = 5
In the third term, 2 * 0.4 = 0.8
In the fourth term, 2 * k = 2k
Now we can rewrite the simplified expression:
2.5k - 5 + 0.8 - 2k
Next, combine like terms:
(2.5k - 2k) + (-5 + 0.8)
The like terms are combined separately:
0.5k - 4.2
Therefore, the simplified expression is 0.5k - 4.2.