12.3=9.4+a

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Solution for 12.3=9.4+a equation:


Simplifying
12.3 = 9.4 + a

Solving
12.3 = 9.4 + a

Solving for variable 'a'.

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

Add '-1a' to each side of the equation.
12.3 + -1a = 9.4 + a + -1a

Combine like terms: a + -1a = 0
12.3 + -1a = 9.4 + 0
12.3 + -1a = 9.4

Add '-12.3' to each side of the equation.
12.3 + -12.3 + -1a = 9.4 + -12.3

Combine like terms: 12.3 + -12.3 = 0.0
0.0 + -1a = 9.4 + -12.3
-1a = 9.4 + -12.3

Combine like terms: 9.4 + -12.3 = -2.9
-1a = -2.9

Divide each side by '-1'.
a = 2.9

Simplifying
a = 2.9

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