30=2n-3+2n+13

Solution for 30=2n-3+2n+13 equation:

Simplifying
30 = 2n + -3 + 2n + 13

Reorder the terms:
30 = -3 + 13 + 2n + 2n

Combine like terms: -3 + 13 = 10
30 = 10 + 2n + 2n

Combine like terms: 2n + 2n = 4n
30 = 10 + 4n

Solving
30 = 10 + 4n

Solving for variable 'n'.

Move all terms containing n to the left, all other terms to the right.

Add '-4n' to each side of the equation.
30 + -4n = 10 + 4n + -4n

Combine like terms: 4n + -4n = 0
30 + -4n = 10 + 0
30 + -4n = 10

Add '-30' to each side of the equation.
30 + -30 + -4n = 10 + -30

Combine like terms: 30 + -30 = 0
0 + -4n = 10 + -30
-4n = 10 + -30

Combine like terms: 10 + -30 = -20
-4n = -20

Divide each side by '-4'.
n = 5

Simplifying
n = 5