45(x-1)-40(3x+1)=12(2x+1)

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Solution for 45(x-1)-40(3x+1)=12(2x+1) equation: 



45(x-1)-40(3x+1)=12(2x+1)

We move all terms to the left:

45(x-1)-40(3x+1)-(12(2x+1))=0

We multiply parentheses

45x-120x-(12(2x+1))-45-40=0



We calculate terms in parentheses: -(12(2x+1)), so:

12(2x+1)

We multiply parentheses

24x+12

Back to the equation:

-(24x+12)



We add all the numbers together, and all the variables

-75x-(24x+12)-85=0

We get rid of parentheses

-75x-24x-12-85=0

We add all the numbers together, and all the variables

-99x-97=0

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

-99x=97

x=97/-99

x=-97/99

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