2x+8.4=12.8

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Solution for 2x+8.4=12.8 equation: 


Simplifying
2x + 8.4 = 12.8

Reorder the terms:
8.4 + 2x = 12.8

Solving
8.4 + 2x = 12.8

Solving for variable 'x'.

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

Add '-8.4' to each side of the equation.
8.4 + -8.4 + 2x = 12.8 + -8.4

Combine like terms: 8.4 + -8.4 = 0.0
0.0 + 2x = 12.8 + -8.4
2x = 12.8 + -8.4

Combine like terms: 12.8 + -8.4 = 4.4
2x = 4.4

Divide each side by '2'.
x = 2.2

Simplifying
x = 2.2

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