-77=7(n+6)+7(1+5n)

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Solution for -77=7(n+6)+7(1+5n) equation:


Simplifying
-77 = 7(n + 6) + 7(1 + 5n)

Reorder the terms:
-77 = 7(6 + n) + 7(1 + 5n)
-77 = (6 * 7 + n * 7) + 7(1 + 5n)
-77 = (42 + 7n) + 7(1 + 5n)
-77 = 42 + 7n + (1 * 7 + 5n * 7)
-77 = 42 + 7n + (7 + 35n)

Reorder the terms:
-77 = 42 + 7 + 7n + 35n

Combine like terms: 42 + 7 = 49
-77 = 49 + 7n + 35n

Combine like terms: 7n + 35n = 42n
-77 = 49 + 42n

Solving
-77 = 49 + 42n

Solving for variable 'n'.

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

Add '-42n' to each side of the equation.
-77 + -42n = 49 + 42n + -42n

Combine like terms: 42n + -42n = 0
-77 + -42n = 49 + 0
-77 + -42n = 49

Add '77' to each side of the equation.
-77 + 77 + -42n = 49 + 77

Combine like terms: -77 + 77 = 0
0 + -42n = 49 + 77
-42n = 49 + 77

Combine like terms: 49 + 77 = 126
-42n = 126

Divide each side by '-42'.
n = -3

Simplifying
n = -3

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