4x+5x+6=3(4x-7)+9

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Solution for 4x+5x+6=3(4x-7)+9 equation: 



4x+5x+6=3(4x-7)+9

We move all terms to the left:

4x+5x+6-(3(4x-7)+9)=0

We add all the numbers together, and all the variables

9x-(3(4x-7)+9)+6=0



We calculate terms in parentheses: -(3(4x-7)+9), so:

3(4x-7)+9

We multiply parentheses

12x-21+9

We add all the numbers together, and all the variables

12x-12

Back to the equation:

-(12x-12)



We get rid of parentheses

9x-12x+12+6=0

We add all the numbers together, and all the variables

-3x+18=0

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

-3x=-18

x=-18/-3

x=+6

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