4(-3x)=-9(20)

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Solution for 4(-3x)=-9(20) equation: 



4(-3x)=-9(20)

We move all terms to the left:

4(-3x)-(-9(20))=0

We add all the numbers together, and all the variables

4(-3x)+920=0

We multiply parentheses

-12x+920=0

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

-12x=-920

x=-920/-12

x=76+2/3

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