2x-4.2=8.6

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Solution for 2x-4.2=8.6 equation: 


Simplifying
2x + -4.2 = 8.6

Reorder the terms:
-4.2 + 2x = 8.6

Solving
-4.2 + 2x = 8.6

Solving for variable 'x'.

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

Add '4.2' to each side of the equation.
-4.2 + 4.2 + 2x = 8.6 + 4.2

Combine like terms: -4.2 + 4.2 = 0.0
0.0 + 2x = 8.6 + 4.2
2x = 8.6 + 4.2

Combine like terms: 8.6 + 4.2 = 12.8
2x = 12.8

Divide each side by '2'.
x = 6.4

Simplifying
x = 6.4

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