x+400=8

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Solution for x+400=8 equation: 


Simplifying
x + 400 = 8

Reorder the terms:
400 + x = 8

Solving
400 + x = 8

Solving for variable 'x'.

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

Add '-400' to each side of the equation.
400 + -400 + x = 8 + -400

Combine like terms: 400 + -400 = 0
0 + x = 8 + -400
x = 8 + -400

Combine like terms: 8 + -400 = -392
x = -392

Simplifying
x = -392

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