3.5=a+3.1

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Solution for 3.5=a+3.1 equation: 



3.5=a+3.1

We move all terms to the left:

3.5-(a+3.1)=0

We get rid of parentheses

-a-3.1+3.5=0

We add all the numbers together, and all the variables

-1a+0.4=0

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

-a=-0.4

a=-0.4/-1

a=0.4/1

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