2n+21=3n+24

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Solution for 2n+21=3n+24 equation:


Simplifying
2n + 21 = 3n + 24

Reorder the terms:
21 + 2n = 3n + 24

Reorder the terms:
21 + 2n = 24 + 3n

Solving
21 + 2n = 24 + 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 = 24 + 3n + -3n

Combine like terms: 2n + -3n = -1n
21 + -1n = 24 + 3n + -3n

Combine like terms: 3n + -3n = 0
21 + -1n = 24 + 0
21 + -1n = 24

Add '-21' to each side of the equation.
21 + -21 + -1n = 24 + -21

Combine like terms: 21 + -21 = 0
0 + -1n = 24 + -21
-1n = 24 + -21

Combine like terms: 24 + -21 = 3
-1n = 3

Divide each side by '-1'.
n = -3

Simplifying
n = -3

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