8.5+4.5=a+5.3

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Solution for 8.5+4.5=a+5.3 equation: 



8.5+4.5=a+5.3

We move all terms to the left:

8.5+4.5-(a+5.3)=0

We add all the numbers together, and all the variables

-(a+5.3)+13=0

We get rid of parentheses

-a-5.3+13=0

We add all the numbers together, and all the variables

-1a+7.7=0

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

-a=-7.7

a=-7.7/-1

a=7+0.7/1

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