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Here's the question you clicked on:
lfaison
Combining like terms simplify each expression: 4n-n=0
3n=0 n=0
n(4-1)=0 3n=0 n=0
4n-n=4n-1n=(4-1)n=3n he is simplifying expressions not solving equations hes asking if the answer is 0 and it is not answer is 3n
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