Which expression is equivalent to
10
n
+
81
−
4
n
−
9
?
Subtract the values 81 and -9
72+10n-4n
72+6n
Final Answer is 72+6n
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10n + 81 − 4n − 9
= 6n + 72
To find an expression that is equivalent to the given expression, we need to simplify it by combining like terms.
The given expression is: 10n + 81 - 4n - 9
To simplify, we can combine the terms with the same variable (n) together.
10n - 4n can be combined as (10 - 4)n, which simplifies to 6n.
Next, we combine the constant terms 81 and -9, which gives us 72.
Now we have the simplified expression: 6n + 72
Therefore, an expression that is equivalent to 10n + 81 - 4n - 9 is 6n + 72.