7x+9=-9x-11

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Solution for 7x+9=-9x-11 equation: 



7x+9=-9x-11

We move all terms to the left:

7x+9-(-9x-11)=0

We get rid of parentheses

7x+9x+11+9=0

We add all the numbers together, and all the variables

16x+20=0

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

16x=-20

x=-20/16

x=-1+1/4

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