3x+(5x+7)=-9

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Solution for 3x+(5x+7)=-9 equation: 



3x+(5x+7)=-9

We move all terms to the left:

3x+(5x+7)-(-9)=0

We add all the numbers together, and all the variables

3x+(5x+7)+9=0

We get rid of parentheses

3x+5x+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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