3(n+7)=2n

Solution for 3(n+7)=2n equation:

Simplifying
3(n + 7) = 2n

Reorder the terms:
3(7 + n) = 2n
(7 * 3 + n * 3) = 2n
(21 + 3n) = 2n

Solving
21 + 3n = 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
21 + 3n + -2n = 2n + -2n

Combine like terms: 3n + -2n = 1n
21 + 1n = 2n + -2n

Combine like terms: 2n + -2n = 0
21 + 1n = 0

Add '-21' to each side of the equation.
21 + -21 + 1n = 0 + -21

Combine like terms: 21 + -21 = 0
0 + 1n = 0 + -21
1n = 0 + -21

Combine like terms: 0 + -21 = -21
1n = -21

Divide each side by '1'.
n = -21

Simplifying
n = -21