39.99+0.45a=44.99+0.40

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Solution for 39.99+0.45a=44.99+0.40 equation: 


Simplifying
39.99 + 0.45a = 44.99 + 0.40

Combine like terms: 44.99 + 0.40 = 45.39
39.99 + 0.45a = 45.39

Solving
39.99 + 0.45a = 45.39

Solving for variable 'a'.

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

Add '-39.99' to each side of the equation.
39.99 + -39.99 + 0.45a = 45.39 + -39.99

Combine like terms: 39.99 + -39.99 = 0.00
0.00 + 0.45a = 45.39 + -39.99
0.45a = 45.39 + -39.99

Combine like terms: 45.39 + -39.99 = 5.4
0.45a = 5.4

Divide each side by '0.45'.
a = 12

Simplifying
a = 12

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