a+45=4a

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Solution for a+45=4a equation: 



a+45=4a

We move all terms to the left:

a+45-(4a)=0

We add all the numbers together, and all the variables

-3a+45=0

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

-3a=-45

a=-45/-3

a=+15

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