-1.3x=3(x+2.15)

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Solution for -1.3x=3(x+2.15) equation: 



-1.3x=3(x+2.15)

We move all terms to the left:

-1.3x-(3(x+2.15))=0



We calculate terms in parentheses: -(3(x+2.15)), so:

3(x+2.15)

We multiply parentheses

3x+6.45

Back to the equation:

-(3x+6.45)



We get rid of parentheses

-1.3x-3x-6.45=0

We add all the numbers together, and all the variables

-4.3x-6.45=0

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

-4.3x=6.45

x=6.45/-4.3

x=-1+1/2

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