8.4x-12.9=54.3

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Solution for 8.4x-12.9=54.3 equation:


Simplifying
8.4x + -12.9 = 54.3

Reorder the terms:
-12.9 + 8.4x = 54.3

Solving
-12.9 + 8.4x = 54.3

Solving for variable 'x'.

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

Add '12.9' to each side of the equation.
-12.9 + 12.9 + 8.4x = 54.3 + 12.9

Combine like terms: -12.9 + 12.9 = 0.0
0.0 + 8.4x = 54.3 + 12.9
8.4x = 54.3 + 12.9

Combine like terms: 54.3 + 12.9 = 67.2
8.4x = 67.2

Divide each side by '8.4'.
x = 8

Simplifying
x = 8

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