6n-42=4n

Solution for 6n-42=4n equation:

Simplifying
6n + -42 = 4n

Reorder the terms:
-42 + 6n = 4n

Solving
-42 + 6n = 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.
-42 + 6n + -4n = 4n + -4n

Combine like terms: 6n + -4n = 2n
-42 + 2n = 4n + -4n

Combine like terms: 4n + -4n = 0
-42 + 2n = 0

Add '42' to each side of the equation.
-42 + 42 + 2n = 0 + 42

Combine like terms: -42 + 42 = 0
0 + 2n = 0 + 42
2n = 0 + 42

Combine like terms: 0 + 42 = 42
2n = 42

Divide each side by '2'.
n = 21

Simplifying
n = 21