30+1=-3.6(a-1)

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Solution for 30+1=-3.6(a-1) equation: 



30+1=-3.6(a-1)

We move all terms to the left:

30+1-(-3.6(a-1))=0

We add all the numbers together, and all the variables

-(-3.6(a-1))+31=0



We calculate terms in parentheses: -(-3.6(a-1)), so:

-3.6(a-1)

We multiply parentheses

-3.6a+3.6

Back to the equation:

-(-3.6a+3.6)



We get rid of parentheses

3.6a-3.6+31=0

We add all the numbers together, and all the variables

3.6a+27.4=0

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

3.6a=-27.4

a=-27.4/3.6

a=-7+2.2/3.6

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