123=8-5(-7-8n)

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Solution for 123=8-5(-7-8n) equation:


Simplifying
123 = 8 + -5(-7 + -8n)
123 = 8 + (-7 * -5 + -8n * -5)
123 = 8 + (35 + 40n)

Combine like terms: 8 + 35 = 43
123 = 43 + 40n

Solving
123 = 43 + 40n

Solving for variable 'n'.

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

Add '-40n' to each side of the equation.
123 + -40n = 43 + 40n + -40n

Combine like terms: 40n + -40n = 0
123 + -40n = 43 + 0
123 + -40n = 43

Add '-123' to each side of the equation.
123 + -123 + -40n = 43 + -123

Combine like terms: 123 + -123 = 0
0 + -40n = 43 + -123
-40n = 43 + -123

Combine like terms: 43 + -123 = -80
-40n = -80

Divide each side by '-40'.
n = 2

Simplifying
n = 2

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