39.99+45=44.99+40a

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



39.99+45=44.99+40a

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We add all the numbers together, and all the variables

-(40a+44.99)+84.99=0

We get rid of parentheses

-40a-44.99+84.99=0

We add all the numbers together, and all the variables

-40a+40=0

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

-40a=-40

a=-40/-40

a=1

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