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My name is Ann [436]
3 years ago
12

What are exactly two sums that are equivalent to 7(10a+3b)

Mathematics
1 answer:
lina2011 [118]3 years ago
7 0
7(9a+4b) and 7(8a+5b)
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taking out of the bracket with a changed sign: (there is a minus in front of the bracket)

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let's reshuffle them so that similar terms are together:
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