3n+5=2n-21

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Solution for 3n+5=2n-21 equation:


Simplifying
3n + 5 = 2n + -21

Reorder the terms:
5 + 3n = 2n + -21

Reorder the terms:
5 + 3n = -21 + 2n

Solving
5 + 3n = -21 + 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.
5 + 3n + -2n = -21 + 2n + -2n

Combine like terms: 3n + -2n = 1n
5 + 1n = -21 + 2n + -2n

Combine like terms: 2n + -2n = 0
5 + 1n = -21 + 0
5 + 1n = -21

Add '-5' to each side of the equation.
5 + -5 + 1n = -21 + -5

Combine like terms: 5 + -5 = 0
0 + 1n = -21 + -5
1n = -21 + -5

Combine like terms: -21 + -5 = -26
1n = -26

Divide each side by '1'.
n = -26

Simplifying
n = -26

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