5x+6x+7x=3x-9

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



5x+6x+7x=3x-9

We move all terms to the left:

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

We add all the numbers together, and all the variables

18x-(3x-9)=0

We get rid of parentheses

18x-3x+9=0

We add all the numbers together, and all the variables

15x+9=0

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

15x=-9

x=-9/15

x=-3/5

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