x+0.8x=400

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Solution for x+0.8x=400 equation: 


Simplifying
x + 0.8x = 400

Combine like terms: x + 0.8x = 1.8x
1.8x = 400

Solving
1.8x = 400

Solving for variable 'x'.

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

Divide each side by '1.8'.
x = 222.2222222

Simplifying
x = 222.2222222

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