7(n+6)+3(n-1)=

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Solution for 7(n+6)+3(n-1)= equation:


Simplifying
7(n + 6) + 3(n + -1) = 0

Reorder the terms:
7(6 + n) + 3(n + -1) = 0
(6 * 7 + n * 7) + 3(n + -1) = 0
(42 + 7n) + 3(n + -1) = 0

Reorder the terms:
42 + 7n + 3(-1 + n) = 0
42 + 7n + (-1 * 3 + n * 3) = 0
42 + 7n + (-3 + 3n) = 0

Reorder the terms:
42 + -3 + 7n + 3n = 0

Combine like terms: 42 + -3 = 39
39 + 7n + 3n = 0

Combine like terms: 7n + 3n = 10n
39 + 10n = 0

Solving
39 + 10n = 0

Solving for variable 'n'.

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

Add '-39' to each side of the equation.
39 + -39 + 10n = 0 + -39

Combine like terms: 39 + -39 = 0
0 + 10n = 0 + -39
10n = 0 + -39

Combine like terms: 0 + -39 = -39
10n = -39

Divide each side by '10'.
n = -3.9

Simplifying
n = -3.9

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