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Kyan Grimes
Mathematics
21 January, 01:13
Find - 3 (2.5-k) + 0.5 (7+8k)
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Brodie Ayala
21 January, 01:29
0
First, distribute the parentheses:
(-3 * 2.5) + (-3 * - k) + (.5 * 7) + (.5 * 8k)
-7.5 + 3k + 3.5 + 4k
Combine like terms:
(-7.5 + 3.5) + (3k + 4k)
-4 + 7k
I don't see an equal sign so it's not an equation, just an algebraic expression, which means that the answer is - 4 + 7k
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Aliyah Wallace
21 January, 01:30
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The solution to the problem is: x = (-2, - 3)
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