2.1x-0.86=0.42-4.3

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Solution for 2.1x-0.86=0.42-4.3 equation: 


Simplifying
2.1x + -0.86 = 0.42 + -4.3

Reorder the terms:
-0.86 + 2.1x = 0.42 + -4.3

Combine like terms: 0.42 + -4.3 = -3.88
-0.86 + 2.1x = -3.88

Solving
-0.86 + 2.1x = -3.88

Solving for variable 'x'.

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

Add '0.86' to each side of the equation.
-0.86 + 0.86 + 2.1x = -3.88 + 0.86

Combine like terms: -0.86 + 0.86 = 0.00
0.00 + 2.1x = -3.88 + 0.86
2.1x = -3.88 + 0.86

Combine like terms: -3.88 + 0.86 = -3.02
2.1x = -3.02

Divide each side by '2.1'.
x = -1.438095238

Simplifying
x = -1.438095238

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