400=2*3n

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Solution for 400=2*3n equation:


Simplifying
400 = 2 * 3n

Multiply 2 * 3
400 = 6n

Solving
400 = 6n

Solving for variable 'n'.

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

Add '-6n' to each side of the equation.
400 + -6n = 6n + -6n

Combine like terms: 6n + -6n = 0
400 + -6n = 0

Add '-400' to each side of the equation.
400 + -400 + -6n = 0 + -400

Combine like terms: 400 + -400 = 0
0 + -6n = 0 + -400
-6n = 0 + -400

Combine like terms: 0 + -400 = -400
-6n = -400

Divide each side by '-6'.
n = 66.66666667

Simplifying
n = 66.66666667

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