3-4x=9(10x-9)-10x

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Solution for 3-4x=9(10x-9)-10x equation: 



3-4x=9(10x-9)-10x

We move all terms to the left:

3-4x-(9(10x-9)-10x)=0



We calculate terms in parentheses: -(9(10x-9)-10x), so:

9(10x-9)-10x

We add all the numbers together, and all the variables

-10x+9(10x-9)

We multiply parentheses

-10x+90x-81

We add all the numbers together, and all the variables

80x-81

Back to the equation:

-(80x-81)



We get rid of parentheses

-4x-80x+81+3=0

We add all the numbers together, and all the variables

-84x+84=0

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

-84x=-84

x=-84/-84

x=1

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