7n-(5n-6)=18

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Solution for 7n-(5n-6)=18 equation:


Simplifying
7n + -1(5n + -6) = 18

Reorder the terms:
7n + -1(-6 + 5n) = 18
7n + (-6 * -1 + 5n * -1) = 18
7n + (6 + -5n) = 18

Reorder the terms:
6 + 7n + -5n = 18

Combine like terms: 7n + -5n = 2n
6 + 2n = 18

Solving
6 + 2n = 18

Solving for variable 'n'.

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

Add '-6' to each side of the equation.
6 + -6 + 2n = 18 + -6

Combine like terms: 6 + -6 = 0
0 + 2n = 18 + -6
2n = 18 + -6

Combine like terms: 18 + -6 = 12
2n = 12

Divide each side by '2'.
n = 6

Simplifying
n = 6

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