2(x-3)=4(x+9)

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Solution for 2(x-3)=4(x+9) equation: 



2(x-3)=4(x+9)

We move all terms to the left:

2(x-3)-(4(x+9))=0

We multiply parentheses

2x-(4(x+9))-6=0



We calculate terms in parentheses: -(4(x+9)), so:

4(x+9)

We multiply parentheses

4x+36

Back to the equation:

-(4x+36)



We get rid of parentheses

2x-4x-36-6=0

We add all the numbers together, and all the variables

-2x-42=0

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

-2x=42

x=42/-2

x=-21

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