6x+9-3(x+1)=7x+9

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Solution for 6x+9-3(x+1)=7x+9 equation: 



6x+9-3(x+1)=7x+9

We move all terms to the left:

6x+9-3(x+1)-(7x+9)=0

We multiply parentheses

6x-3x-(7x+9)-3+9=0

We get rid of parentheses

6x-3x-7x-9-3+9=0

We add all the numbers together, and all the variables

-4x-3=0

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

-4x=3

x=3/-4

x=-3/4

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