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Mathematics
Robert
6 November, 13:06
If 9a+6b+4c=7, what is - 24b-16c-36a
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Andrews
6 November, 16:48
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-24b - 16c - 36a = - 28
Step-by-step explanation:
Given the initial equation of 9a + 6b + 4c = 7 and looking at the second equation of - 24b - 16c - 36a, I notice that all of the coefficients of the variables have been multiplied by a factor of - 4. Since all of the factors have been multiplied by the same factor, multiplied the answer to the equation by a - 4 as well will give us the answer to the problem. Since the original answer is 7, multiplying this answer by a factor of - 4: (7) (-4) = - 28.
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