9x+3.9=6x

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Solution for 9x+3.9=6x equation:


Simplifying
9x + 3.9 = 6x

Reorder the terms:
3.9 + 9x = 6x

Solving
3.9 + 9x = 6x

Solving for variable 'x'.

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

Add '-6x' to each side of the equation.
3.9 + 9x + -6x = 6x + -6x

Combine like terms: 9x + -6x = 3x
3.9 + 3x = 6x + -6x

Combine like terms: 6x + -6x = 0
3.9 + 3x = 0

Add '-3.9' to each side of the equation.
3.9 + -3.9 + 3x = 0 + -3.9

Combine like terms: 3.9 + -3.9 = 0.0
0.0 + 3x = 0 + -3.9
3x = 0 + -3.9

Combine like terms: 0 + -3.9 = -3.9
3x = -3.9

Divide each side by '3'.
x = -1.3

Simplifying
x = -1.3

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