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There are two terms in that expression. They are " 9h " and " 13 ".
8n + (5-n) + 13 = 7n + 18
30.. B
It a a mathematical expression that can be simplified as 7n + 18.
6
13+-12--5 = 6
6
6
The commutative property.
i need help with that question
-15
-15
There are two terms in that expression. They are " 9h " and " 13 ".
13 - 12 - (-5) 1 - (-5) 1 + 5 6
15 + 10 - 13 - 5 = 7
8n + (5-n) + 13 = 7n + 18
addition.