400=2x+6x+4x

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Solution for 400=2x+6x+4x equation:


Simplifying
400 = 2x + 6x + 4x

Combine like terms: 2x + 6x = 8x
400 = 8x + 4x

Combine like terms: 8x + 4x = 12x
400 = 12x

Solving
400 = 12x

Solving for variable 'x'.

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

Add '-12x' to each side of the equation.
400 + -12x = 12x + -12x

Combine like terms: 12x + -12x = 0
400 + -12x = 0

Add '-400' to each side of the equation.
400 + -400 + -12x = 0 + -400

Combine like terms: 400 + -400 = 0
0 + -12x = 0 + -400
-12x = 0 + -400

Combine like terms: 0 + -400 = -400
-12x = -400

Divide each side by '-12'.
x = 33.33333333

Simplifying
x = 33.33333333

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