8.1x+2.3=5.1x-3.1

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Solution for 8.1x+2.3=5.1x-3.1 equation: 


Simplifying
8.1x + 2.3 = 5.1x + -3.1

Reorder the terms:
2.3 + 8.1x = 5.1x + -3.1

Reorder the terms:
2.3 + 8.1x = -3.1 + 5.1x

Solving
2.3 + 8.1x = -3.1 + 5.1x

Solving for variable 'x'.

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

Add '-5.1x' to each side of the equation.
2.3 + 8.1x + -5.1x = -3.1 + 5.1x + -5.1x

Combine like terms: 8.1x + -5.1x = 3x
2.3 + 3x = -3.1 + 5.1x + -5.1x

Combine like terms: 5.1x + -5.1x = 0.0
2.3 + 3x = -3.1 + 0.0
2.3 + 3x = -3.1

Add '-2.3' to each side of the equation.
2.3 + -2.3 + 3x = -3.1 + -2.3

Combine like terms: 2.3 + -2.3 = 0.0
0.0 + 3x = -3.1 + -2.3
3x = -3.1 + -2.3

Combine like terms: -3.1 + -2.3 = -5.4
3x = -5.4

Divide each side by '3'.
x = -1.8

Simplifying
x = -1.8

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