2n2 / n = 2n
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2n/3 = 4 2n = 3*4 2n = 12 n = 6 :)
2n-3 = 9 solve for n by first adding 3 to both sides 2n = 12 divided both sides by 2 n = 6
3n+3=n+7 3n+3-n=n+7-n (subtract n from both sides) 2n+3=7 2n+3-3=7-3 (subtract 3 from both sides ) 2n=4 2n/2=4/2 (divided by 2 on both the sides) n=2 Answer: n=2
n/27=2n/27*27=2*27n=54
n * 2n = 2n2