14n +72
6n +72
14n +90
6n + 72 is the expression is equivalent to 10n + 81 - 4n - 9
An expression is combination of variables, numbers and operators.
The given expression is 10n + 81 - 4n - 9
Ten times of n plus Eighty one minus four times of n minus nine
In the given equation n is the variable, plus and minus are operators
10n + 81 - 4n - 9
We need to add the like terms.
Like terms means terms of variables with same power.
10n + 81 - 4n - 9
6n+72
Hence, 6n + 72 is the expression is equivalent to 10n + 81 - 4n - 9
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Answer:
6n + 72
Step-by-step explanation:
10n + 81 - 4n - 9
6n + 72
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hope this helps. but I'm not really sure