0.3x+1.4=3.9x-6.6-0.4x

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Solution for 0.3x+1.4=3.9x-6.6-0.4x equation: 


Simplifying
0.3x + 1.4 = 3.9x + -6.6 + -0.4x

Reorder the terms:
1.4 + 0.3x = 3.9x + -6.6 + -0.4x

Reorder the terms:
1.4 + 0.3x = -6.6 + 3.9x + -0.4x

Combine like terms: 3.9x + -0.4x = 3.5x
1.4 + 0.3x = -6.6 + 3.5x

Solving
1.4 + 0.3x = -6.6 + 3.5x

Solving for variable 'x'.

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

Add '-3.5x' to each side of the equation.
1.4 + 0.3x + -3.5x = -6.6 + 3.5x + -3.5x

Combine like terms: 0.3x + -3.5x = -3.2x
1.4 + -3.2x = -6.6 + 3.5x + -3.5x

Combine like terms: 3.5x + -3.5x = 0.0
1.4 + -3.2x = -6.6 + 0.0
1.4 + -3.2x = -6.6

Add '-1.4' to each side of the equation.
1.4 + -1.4 + -3.2x = -6.6 + -1.4

Combine like terms: 1.4 + -1.4 = 0.0
0.0 + -3.2x = -6.6 + -1.4
-3.2x = -6.6 + -1.4

Combine like terms: -6.6 + -1.4 = -8
-3.2x = -8

Divide each side by '-3.2'.
x = 2.5

Simplifying
x = 2.5

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