2400=4000-400x

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Solution for 2400=4000-400x equation:


Simplifying
2400 = 4000 + -400x

Solving
2400 = 4000 + -400x

Solving for variable 'x'.

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

Add '400x' to each side of the equation.
2400 + 400x = 4000 + -400x + 400x

Combine like terms: -400x + 400x = 0
2400 + 400x = 4000 + 0
2400 + 400x = 4000

Add '-2400' to each side of the equation.
2400 + -2400 + 400x = 4000 + -2400

Combine like terms: 2400 + -2400 = 0
0 + 400x = 4000 + -2400
400x = 4000 + -2400

Combine like terms: 4000 + -2400 = 1600
400x = 1600

Divide each side by '400'.
x = 4

Simplifying
x = 4

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