.39=3x

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Solution for .39=3x equation:


Simplifying
0.39 = 3x

Solving
0.39 = 3x

Solving for variable 'x'.

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

Add '-3x' to each side of the equation.
0.39 + -3x = 3x + -3x

Combine like terms: 3x + -3x = 0
0.39 + -3x = 0

Add '-0.39' to each side of the equation.
0.39 + -0.39 + -3x = 0 + -0.39

Combine like terms: 0.39 + -0.39 = 0.00
0.00 + -3x = 0 + -0.39
-3x = 0 + -0.39

Combine like terms: 0 + -0.39 = -0.39
-3x = -0.39

Divide each side by '-3'.
x = 0.13

Simplifying
x = 0.13

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