0.4x+2.5=3.9+1.3x

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Solution for 0.4x+2.5=3.9+1.3x equation: 


Simplifying
0.4x + 2.5 = 3.9 + 1.3x

Reorder the terms:
2.5 + 0.4x = 3.9 + 1.3x

Solving
2.5 + 0.4x = 3.9 + 1.3x

Solving for variable 'x'.

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

Add '-1.3x' to each side of the equation.
2.5 + 0.4x + -1.3x = 3.9 + 1.3x + -1.3x

Combine like terms: 0.4x + -1.3x = -0.9x
2.5 + -0.9x = 3.9 + 1.3x + -1.3x

Combine like terms: 1.3x + -1.3x = 0.0
2.5 + -0.9x = 3.9 + 0.0
2.5 + -0.9x = 3.9

Add '-2.5' to each side of the equation.
2.5 + -2.5 + -0.9x = 3.9 + -2.5

Combine like terms: 2.5 + -2.5 = 0.0
0.0 + -0.9x = 3.9 + -2.5
-0.9x = 3.9 + -2.5

Combine like terms: 3.9 + -2.5 = 1.4
-0.9x = 1.4

Divide each side by '-0.9'.
x = -1.555555556

Simplifying
x = -1.555555556

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