x+(.40)x=3

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Solution for x+(.40)x=3 equation: 


Simplifying
x + (0.40) * x = 3

Combine like terms: x + 0.40x = 1.4x
1.4x = 3

Solving
1.4x = 3

Solving for variable 'x'.

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

Divide each side by '1.4'.
x = 2.142857143

Simplifying
x = 2.142857143

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