9+5x=-7x-75

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Solution for 9+5x=-7x-75 equation: 



9+5x=-7x-75

We move all terms to the left:

9+5x-(-7x-75)=0

We get rid of parentheses

5x+7x+75+9=0

We add all the numbers together, and all the variables

12x+84=0

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

12x=-84

x=-84/12

x=-7

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