What does 3n mean in algebric terms
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3n + 2 + (3n + 3 - 3n + 1) = 3n + 2 + (3n + 3 - 3n + 1) = 3n + 2 + (4) = 3n + 6
In Algebra, "is" means Equal (=).
3n -5 = 19 3n = 19+5 3n = 24 n = 8
khara
4n-8=3n+2 4n=3n+2+8 4n=3n+10 4n-3n+10 n=10 N = 10