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Anabella Francis
Mathematics
30 July, 05:06
What is N in - 2n+2 (3n+14) = -20
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Ruben Mahoney
30 July, 05:30
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To solve for n you need to get it by itself
First you want to distribute your 2 through the (3n+14)
-2n+6n+28=-20 (2*3n+2*14 = 6n+28)
Now you want to combine any like terms if possible
4n+28=-20 (-2n+6n=4n, both like terms)
Then you want to subtract - 28 from both sides
4n=-48 (28-28=0, - 20-28=-48)
Lastly you want to divide both sides by 4
n=-12 (4n/4=n, - 48/4 = - 12)
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