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Anonymous
3n+6=18
n+2=6
n=4
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How do you find the answer to this equation: 3n equals 18
8 + 3(6) = 8 + 18 = 26
s = 9n - 18.
3n+18 is an algebraic expression and n is an unknown variable
3n + 4n = 42 7n = 42 n = 42/7 n = 6