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julsineya [31]
3 years ago
5

Find the sum. 13(9−6m)+14(12m−8)

Mathematics
2 answers:
FinnZ [79.3K]3 years ago
7 0
To do this problem, we must first distribute the 13 and 14 into the parenthesis.

<span>13(9−6m)+14(12m−8)

117 - 78m + 168m - 112

To combine like terms, we can add/subtract terms that have an "m" together and then we can add/subtract terms that do not have "m" together.

117 - 112 = 5
and 
168m - 78m = 90m

So our final sum is 5 + 90m</span>
Grace [21]3 years ago
6 0
13(9-6m) + 14(12m-8)
117 - 78m + 168m - 112
(117 - 112) + (168m - 78m)
5 + 90m
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