9x=7x(-3)=

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Solution for 9x=7x(-3)= equation: 



9x=7x(-3)=

We move all terms to the left:

9x-(7x(-3))=0



We calculate terms in parentheses: -(7x(-3)), so:

7x(-3)

We multiply parentheses

-21x

Back to the equation:

-(-21x)



We get rid of parentheses

9x+21x=0

We add all the numbers together, and all the variables

30x=0

x=0/30

x=0

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