0,5a=45-a

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Solution for 0,5a=45-a equation: 



0.5a=45-a

We move all terms to the left:

0.5a-(45-a)=0

We add all the numbers together, and all the variables

0.5a-(-1a+45)=0

We get rid of parentheses

0.5a+1a-45=0

We add all the numbers together, and all the variables

1.5a-45=0

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

1.5a=45

a=45/1.5

a=30

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