7(x-3)+12=7x-9

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Solution for 7(x-3)+12=7x-9 equation: 



7(x-3)+12=7x-9

We move all terms to the left:

7(x-3)+12-(7x-9)=0

We multiply parentheses

7x-(7x-9)-21+12=0

We get rid of parentheses

7x-7x+9-21+12=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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