-12.1=-(-4x-4.5)

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Solution for -12.1=-(-4x-4.5) equation: 



-12.1=-(-4x-4.5)

We move all terms to the left:

-12.1-(-(-4x-4.5))=0



We calculate terms in parentheses: -(-(-4x-4.5)), so:

-(-4x-4.5)

We get rid of parentheses

4x+4.5

Back to the equation:

-(4x+4.5)



We get rid of parentheses

-4x-4.5-12.1=0

We add all the numbers together, and all the variables

-4x-16.6=0

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

-4x=16.6

x=16.6/-4

x=-4+0.6/4

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