3x-9=-9x-69

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Solution for 3x-9=-9x-69 equation: 



3x-9=-9x-69

We move all terms to the left:

3x-9-(-9x-69)=0

We get rid of parentheses

3x+9x+69-9=0

We add all the numbers together, and all the variables

12x+60=0

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

12x=-60

x=-60/12

x=-5

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