x+(n+80)=400

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Solution for x+(n+80)=400 equation:


Simplifying
x + (n + 80) = 400

Reorder the terms:
x + (80 + n) = 400

Remove parenthesis around (80 + n)
x + 80 + n = 400

Reorder the terms:
80 + n + x = 400

Solving
80 + n + x = 400

Solving for variable 'n'.

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

Add '-80' to each side of the equation.
80 + n + -80 + x = 400 + -80

Reorder the terms:
80 + -80 + n + x = 400 + -80

Combine like terms: 80 + -80 = 0
0 + n + x = 400 + -80
n + x = 400 + -80

Combine like terms: 400 + -80 = 320
n + x = 320

Add '-1x' to each side of the equation.
n + x + -1x = 320 + -1x

Combine like terms: x + -1x = 0
n + 0 = 320 + -1x
n = 320 + -1x

Simplifying
n = 320 + -1x

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