15-7n-7n=-3n-6n

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Solution for 15-7n-7n=-3n-6n equation:


Simplifying
15 + -7n + -7n = -3n + -6n

Combine like terms: -7n + -7n = -14n
15 + -14n = -3n + -6n

Combine like terms: -3n + -6n = -9n
15 + -14n = -9n

Solving
15 + -14n = -9n

Solving for variable 'n'.

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

Add '9n' to each side of the equation.
15 + -14n + 9n = -9n + 9n

Combine like terms: -14n + 9n = -5n
15 + -5n = -9n + 9n

Combine like terms: -9n + 9n = 0
15 + -5n = 0

Add '-15' to each side of the equation.
15 + -15 + -5n = 0 + -15

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

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

Divide each side by '-5'.
n = 3

Simplifying
n = 3

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