4x+9=-4x-7

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Solution for 4x+9=-4x-7 equation: 



4x+9=-4x-7

We move all terms to the left:

4x+9-(-4x-7)=0

We get rid of parentheses

4x+4x+7+9=0

We add all the numbers together, and all the variables

8x+16=0

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

8x=-16

x=-16/8

x=-2

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