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7\left(3n-1\right)-2\left(2n+3\right)=14
Multiply both sides of the equation by 14, the least common multiple of 2,7.
21n-7-2\left(2n+3\right)=14
Use the distributive property to multiply 7 by 3n-1.
21n-7-4n-6=14
Use the distributive property to multiply -2 by 2n+3.
17n-7-6=14
Combine 21n and -4n to get 17n.
17n-13=14
Subtract 6 from -7 to get -13.
17n=14+13
Add 13 to both sides.
17n=27
Add 14 and 13 to get 27.
n=\frac{27}{17}
Divide both sides by 17.