12n+7=10n+15

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Solution for 12n+7=10n+15 equation:


Simplifying
12n + 7 = 10n + 15

Reorder the terms:
7 + 12n = 10n + 15

Reorder the terms:
7 + 12n = 15 + 10n

Solving
7 + 12n = 15 + 10n

Solving for variable 'n'.

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

Add '-10n' to each side of the equation.
7 + 12n + -10n = 15 + 10n + -10n

Combine like terms: 12n + -10n = 2n
7 + 2n = 15 + 10n + -10n

Combine like terms: 10n + -10n = 0
7 + 2n = 15 + 0
7 + 2n = 15

Add '-7' to each side of the equation.
7 + -7 + 2n = 15 + -7

Combine like terms: 7 + -7 = 0
0 + 2n = 15 + -7
2n = 15 + -7

Combine like terms: 15 + -7 = 8
2n = 8

Divide each side by '2'.
n = 4

Simplifying
n = 4

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