5-2n=3
-2n=3-5
-2n=-2
n=1
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2n/3 = 4 2n = 3*4 2n = 12 n = 6 :)
n= -2
2n-3 = 9 solve for n by first adding 3 to both sides 2n = 12 divided both sides by 2 n = 6
-17 = -2n+13-8n Subtract 13 from both sides and bring terms together: -30 = -10n Divide both sides by -10 to find the value of n which will be positive: n = 3
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