7(n+6)-5(5n-8)=-13

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Solution for 7(n+6)-5(5n-8)=-13 equation:


Simplifying
7(n + 6) + -5(5n + -8) = -13

Reorder the terms:
7(6 + n) + -5(5n + -8) = -13
(6 * 7 + n * 7) + -5(5n + -8) = -13
(42 + 7n) + -5(5n + -8) = -13

Reorder the terms:
42 + 7n + -5(-8 + 5n) = -13
42 + 7n + (-8 * -5 + 5n * -5) = -13
42 + 7n + (40 + -25n) = -13

Reorder the terms:
42 + 40 + 7n + -25n = -13

Combine like terms: 42 + 40 = 82
82 + 7n + -25n = -13

Combine like terms: 7n + -25n = -18n
82 + -18n = -13

Solving
82 + -18n = -13

Solving for variable 'n'.

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

Add '-82' to each side of the equation.
82 + -82 + -18n = -13 + -82

Combine like terms: 82 + -82 = 0
0 + -18n = -13 + -82
-18n = -13 + -82

Combine like terms: -13 + -82 = -95
-18n = -95

Divide each side by '-18'.
n = 5.277777778

Simplifying
n = 5.277777778

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