7n+5n=7n+15

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Solution for 7n+5n=7n+15 equation:


Simplifying
7n + 5n = 7n + 15

Combine like terms: 7n + 5n = 12n
12n = 7n + 15

Reorder the terms:
12n = 15 + 7n

Solving
12n = 15 + 7n

Solving for variable 'n'.

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

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

Combine like terms: 12n + -7n = 5n
5n = 15 + 7n + -7n

Combine like terms: 7n + -7n = 0
5n = 15 + 0
5n = 15

Divide each side by '5'.
n = 3

Simplifying
n = 3

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