A+12.4=9.2

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Solution for A+12.4=9.2 equation: 


Simplifying
A + 12.4 = 9.2

Reorder the terms:
12.4 + A = 9.2

Solving
12.4 + A = 9.2

Solving for variable 'A'.

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

Add '-12.4' to each side of the equation.
12.4 + -12.4 + A = 9.2 + -12.4

Combine like terms: 12.4 + -12.4 = 0.0
0.0 + A = 9.2 + -12.4
A = 9.2 + -12.4

Combine like terms: 9.2 + -12.4 = -3.2
A = -3.2

Simplifying
A = -3.2

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