-4(20-2x)=12(x-6.5)

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Solution for -4(20-2x)=12(x-6.5) equation: 



-4(20-2x)=12(x-6.5)

We move all terms to the left:

-4(20-2x)-(12(x-6.5))=0

We add all the numbers together, and all the variables

-4(-2x+20)-(12(x-6.5))=0

We multiply parentheses

8x-(12(x-6.5))-80=0



We calculate terms in parentheses: -(12(x-6.5)), so:

12(x-6.5)

We multiply parentheses

12x-78

Back to the equation:

-(12x-78)



We get rid of parentheses

8x-12x+78-80=0

We add all the numbers together, and all the variables

-4x-2=0

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

-4x=2

x=2/-4

x=-1/2

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