lilian3 lilian3

17-11-2017
Mathematics

contestada

–1/2(2n + 4) + 6 = –9 + 4(2n + 1)

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Аноним Аноним

17-11-2017

Simplify by combining like terms to
-n+4=8n-5
subtract 8n from both sides
-n+4-8n=8n-5-8n
-9n+4=-5
subtract 4 from both sides
-9n+4-4=-5-4
-9n=-9
Divide both sides by -9
-9n/-9=-9/-9
n=1
hope this helps!

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