1+3n=10
Subtract 1 from both sides of the equation.
3n=10-1
Subtract 1 from 10.
3n=9
3n=9
Divide each term in 3n=9 by 3.
3n3=93
Cancel the common factor of 3.
Cancel the common factor.
3n3=93
Divide n by 1.
n=93
n=93
Divide 9 by 3.
n=3
n=3
Solve for n 1+3n=10