21-2n=3n-14

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Solution for 21-2n=3n-14 equation:


Simplifying
21 + -2n = 3n + -14

Reorder the terms:
21 + -2n = -14 + 3n

Solving
21 + -2n = -14 + 3n

Solving for variable 'n'.

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

Add '-3n' to each side of the equation.
21 + -2n + -3n = -14 + 3n + -3n

Combine like terms: -2n + -3n = -5n
21 + -5n = -14 + 3n + -3n

Combine like terms: 3n + -3n = 0
21 + -5n = -14 + 0
21 + -5n = -14

Add '-21' to each side of the equation.
21 + -21 + -5n = -14 + -21

Combine like terms: 21 + -21 = 0
0 + -5n = -14 + -21
-5n = -14 + -21

Combine like terms: -14 + -21 = -35
-5n = -35

Divide each side by '-5'.
n = 7

Simplifying
n = 7

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