4.2x-9=3(12x+4)

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Solution for 4.2x-9=3(12x+4) equation: 



4.2x-9=3(12x+4)

We move all terms to the left:

4.2x-9-(3(12x+4))=0



We calculate terms in parentheses: -(3(12x+4)), so:

3(12x+4)

We multiply parentheses

36x+12

Back to the equation:

-(36x+12)



We get rid of parentheses

4.2x-36x-12-9=0

We add all the numbers together, and all the variables

-31.8x-21=0

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

-31.8x=21

x=21/-31.8

x=-21/31.8

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