3x+12(3x+12)=5x-20(5x-20)

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Solution for 3x+12(3x+12)=5x-20(5x-20) equation: 



3x+12(3x+12)=5x-20(5x-20)

We move all terms to the left:

3x+12(3x+12)-(5x-20(5x-20))=0

We multiply parentheses

3x+36x-(5x-20(5x-20))+144=0



We calculate terms in parentheses: -(5x-20(5x-20)), so:

5x-20(5x-20)

We multiply parentheses

5x-100x+400

We add all the numbers together, and all the variables

-95x+400

Back to the equation:

-(-95x+400)



We add all the numbers together, and all the variables

39x-(-95x+400)+144=0

We get rid of parentheses

39x+95x-400+144=0

We add all the numbers together, and all the variables

134x-256=0

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

134x=256

x=256/134

x=1+61/67

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