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

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



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

We move all terms to the left:

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

We multiply parentheses

12x-(-3(x-20))+60=0



We calculate terms in parentheses: -(-3(x-20)), so:

-3(x-20)

We multiply parentheses

-3x+60

Back to the equation:

-(-3x+60)



We get rid of parentheses

12x+3x-60+60=0

We add all the numbers together, and all the variables

15x=0

x=0/15

x=0

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