4(-8+3n)-(n-3)=15

I don't know how to get the answer.
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1 Answer

Distribute the parentheses:

-32+12n-n+3=15 note that the negative distributes to a negative, making plus.

Now collect the variables to one side and the constants on the other:

-29+11n=15

Add 29 to each side: 11n=44 and divide both sides by 11: n=4 is the answer.

by Top Rated User (1.1m points)

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