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Yurem Douglas
Mathematics
2 April, 07:58
If a + 7b + 4c = 2, what is 36c + 9a + 63b?
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Jamarcus Garza
2 April, 08:16
0
18
Step-by-step explanation:
a + 7b + 4c = 2,
Multiply this equation by 9
9 (a + 7b + 4c) = 2*9
9a + 63b + 36c = 18
Rearrange the order
36c + 9a + 63b = 18
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Kaeden Figueroa
2 April, 08:26
0
18
Step-by-step explanation:
36c+9a+63b = collecting 9:
=9 * (4c+a+7b)
so it is 4 times the given a+7b+4c which in the definition is equal to 2; so:
=9 * (4c+a+7b) = 9 * 2=18
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