7x-4=-2x-4=

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Solution for 7x-4=-2x-4= equation: 



7x-4=-2x-4=

We move all terms to the left:

7x-4-(-2x-4)=0

We get rid of parentheses

7x+2x+4-4=0

We add all the numbers together, and all the variables

9x=0

x=0/9

x=0

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