8-7n=1-7(7n-7)

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Solution for 8-7n=1-7(7n-7) equation:


Simplifying
8 + -7n = 1 + -7(7n + -7)

Reorder the terms:
8 + -7n = 1 + -7(-7 + 7n)
8 + -7n = 1 + (-7 * -7 + 7n * -7)
8 + -7n = 1 + (49 + -49n)

Combine like terms: 1 + 49 = 50
8 + -7n = 50 + -49n

Solving
8 + -7n = 50 + -49n

Solving for variable 'n'.

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

Add '49n' to each side of the equation.
8 + -7n + 49n = 50 + -49n + 49n

Combine like terms: -7n + 49n = 42n
8 + 42n = 50 + -49n + 49n

Combine like terms: -49n + 49n = 0
8 + 42n = 50 + 0
8 + 42n = 50

Add '-8' to each side of the equation.
8 + -8 + 42n = 50 + -8

Combine like terms: 8 + -8 = 0
0 + 42n = 50 + -8
42n = 50 + -8

Combine like terms: 50 + -8 = 42
42n = 42

Divide each side by '42'.
n = 1

Simplifying
n = 1

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