3a+1=-3.1(a-1)

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Solution for 3a+1=-3.1(a-1) equation: 



3a+1=-3.1(a-1)

We move all terms to the left:

3a+1-(-3.1(a-1))=0



We calculate terms in parentheses: -(-3.1(a-1)), so:

-3.1(a-1)

We multiply parentheses

-3.1a+3.1

Back to the equation:

-(-3.1a+3.1)



We get rid of parentheses

3a+3.1a-3.1+1=0

We add all the numbers together, and all the variables

6.1a-2.1=0

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

6.1a=2.1

a=2.1/6.1

a=1/2.90476190476

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