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Brennen Crane
4 June, 07:10
What is the answer to - 7 (k+9) = 9 (k-5) - 14k
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Sutton
4 June, 08:39
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The answer to - 7 (k+9) = 9 (k-5) - 14k is
k = - 9
-7 (k+9) = 9 (k-5) - 14k
Use the distributive property to distribute the - 7 to (k+9) and 9 to (k-5)
-7 (k+9) = 9 (k-5) - 14k
-7k - 63 = 9k - 45 - 14k
Now lets get all our constants on one side of the equal sign and all our terms such as 9k and 4k on a side by their self
-7k - 63 = 9k - 45 - 14k
-7k - 63 + 45 = 9k - 45 + 45 - 14k
-7k - 18 = 9k - 14k
Now lets get that - 7k on the right side
-7k + 7k - 18 = 9k - 14k + 7k
-18 = 9k - 14k + 7k
Now lets do the math for 9k - 14k + 7k and solve for k
-18 = 9k - 14k + 7k
-18 = 2k
-18 / 2 = 2k / 2
-9 = k
k = - 9
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