39.99+.45a=44.99+.40

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Solution for 39.99+.45a=44.99+.40 equation: 



39.99+.45a=44.99+.40

We move all terms to the left:

39.99+.45a-(44.99+.40)=0

We add all the numbers together, and all the variables

.45a+39.99-(45.39)=0

We add all the numbers together, and all the variables

.45a-5.4=0

We move all terms containing a to the left, all other terms to the right

.45a=5.4

a=5.4/.45

a=12

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