n*10+21=n*5+156

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Solution for n*10+21=n*5+156 equation:


Simplifying
n * 10 + 21 = n * 5 + 156

Reorder the terms for easier multiplication:
10n + 21 = n * 5 + 156

Reorder the terms:
21 + 10n = n * 5 + 156

Reorder the terms for easier multiplication:
21 + 10n = 5n + 156

Reorder the terms:
21 + 10n = 156 + 5n

Solving
21 + 10n = 156 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
21 + 10n + -5n = 156 + 5n + -5n

Combine like terms: 10n + -5n = 5n
21 + 5n = 156 + 5n + -5n

Combine like terms: 5n + -5n = 0
21 + 5n = 156 + 0
21 + 5n = 156

Add '-21' to each side of the equation.
21 + -21 + 5n = 156 + -21

Combine like terms: 21 + -21 = 0
0 + 5n = 156 + -21
5n = 156 + -21

Combine like terms: 156 + -21 = 135
5n = 135

Divide each side by '5'.
n = 27

Simplifying
n = 27

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