3.1x-12.5=15.4

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Solution for 3.1x-12.5=15.4 equation: 


Simplifying
3.1x + -12.5 = 15.4

Reorder the terms:
-12.5 + 3.1x = 15.4

Solving
-12.5 + 3.1x = 15.4

Solving for variable 'x'.

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

Add '12.5' to each side of the equation.
-12.5 + 12.5 + 3.1x = 15.4 + 12.5

Combine like terms: -12.5 + 12.5 = 0.0
0.0 + 3.1x = 15.4 + 12.5
3.1x = 15.4 + 12.5

Combine like terms: 15.4 + 12.5 = 27.9
3.1x = 27.9

Divide each side by '3.1'.
x = 9

Simplifying
x = 9

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