10n+21=25-2n

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Solution for 10n+21=25-2n equation:


Simplifying
10n + 21 = 25 + -2n

Reorder the terms:
21 + 10n = 25 + -2n

Solving
21 + 10n = 25 + -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 + 10n + 2n = 25 + -2n + 2n

Combine like terms: 10n + 2n = 12n
21 + 12n = 25 + -2n + 2n

Combine like terms: -2n + 2n = 0
21 + 12n = 25 + 0
21 + 12n = 25

Add '-21' to each side of the equation.
21 + -21 + 12n = 25 + -21

Combine like terms: 21 + -21 = 0
0 + 12n = 25 + -21
12n = 25 + -21

Combine like terms: 25 + -21 = 4
12n = 4

Divide each side by '12'.
n = 0.3333333333

Simplifying
n = 0.3333333333

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