6.9x-3.9=16.8

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Solution for 6.9x-3.9=16.8 equation: 


Simplifying
6.9x + -3.9 = 16.8

Reorder the terms:
-3.9 + 6.9x = 16.8

Solving
-3.9 + 6.9x = 16.8

Solving for variable 'x'.

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

Add '3.9' to each side of the equation.
-3.9 + 3.9 + 6.9x = 16.8 + 3.9

Combine like terms: -3.9 + 3.9 = 0.0
0.0 + 6.9x = 16.8 + 3.9
6.9x = 16.8 + 3.9

Combine like terms: 16.8 + 3.9 = 20.7
6.9x = 20.7

Divide each side by '6.9'.
x = 3

Simplifying
x = 3

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