3.9x=2.1x+9.0

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Solution for 3.9x=2.1x+9.0 equation: 


Simplifying
3.9x = 2.1x + 9.0

Reorder the terms:
3.9x = 9.0 + 2.1x

Solving
3.9x = 9.0 + 2.1x

Solving for variable 'x'.

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

Add '-2.1x' to each side of the equation.
3.9x + -2.1x = 9.0 + 2.1x + -2.1x

Combine like terms: 3.9x + -2.1x = 1.8x
1.8x = 9.0 + 2.1x + -2.1x

Combine like terms: 2.1x + -2.1x = 0.0
1.8x = 9.0 + 0.0
1.8x = 9.0

Divide each side by '1.8'.
x = 5

Simplifying
x = 5

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