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nalin [4]
3 years ago
15

If 9a+6b+4c=7, what is -24b-16c-36a

Mathematics
1 answer:
Alexandra [31]3 years ago
3 0

Answer:

-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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