1.2x+3.1=3.5x-3.8

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Solution for 1.2x+3.1=3.5x-3.8 equation: 


Simplifying
1.2x + 3.1 = 3.5x + -3.8

Reorder the terms:
3.1 + 1.2x = 3.5x + -3.8

Reorder the terms:
3.1 + 1.2x = -3.8 + 3.5x

Solving
3.1 + 1.2x = -3.8 + 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.
3.1 + 1.2x + -3.5x = -3.8 + 3.5x + -3.5x

Combine like terms: 1.2x + -3.5x = -2.3x
3.1 + -2.3x = -3.8 + 3.5x + -3.5x

Combine like terms: 3.5x + -3.5x = 0.0
3.1 + -2.3x = -3.8 + 0.0
3.1 + -2.3x = -3.8

Add '-3.1' to each side of the equation.
3.1 + -3.1 + -2.3x = -3.8 + -3.1

Combine like terms: 3.1 + -3.1 = 0.0
0.0 + -2.3x = -3.8 + -3.1
-2.3x = -3.8 + -3.1

Combine like terms: -3.8 + -3.1 = -6.9
-2.3x = -6.9

Divide each side by '-2.3'.
x = 3

Simplifying
x = 3

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