12x-5(x+9)=7x+(-45)

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Solution for 12x-5(x+9)=7x+(-45) equation: 



12x-5(x+9)=7x+(-45)

We move all terms to the left:

12x-5(x+9)-(7x+(-45))=0

We multiply parentheses

12x-5x-(7x+(-45))-45=0



We calculate terms in parentheses: -(7x+(-45)), so:

7x+(-45)

We add all the numbers together, and all the variables

7x-45

Back to the equation:

-(7x-45)



We add all the numbers together, and all the variables

7x-(7x-45)-45=0

We get rid of parentheses

7x-7x+45-45=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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