9x-1.6=(-4)x-8.1

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Solution for 9x-1.6=(-4)x-8.1 equation: 



9x-1.6=(-4)x-8.1

We move all terms to the left:

9x-1.6-((-4)x-8.1)=0



We calculate terms in parentheses: -((-4)x-8.1), so:

(-4)x-8.1

We multiply parentheses

-4x-8.1

Back to the equation:

-(-4x-8.1)



We get rid of parentheses

9x+4x+8.1-1.6=0

We add all the numbers together, and all the variables

13x+6.5=0

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

13x=-6.5

x=-6.5/13

x=-4.3333333333333/8.6666666666667

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