7(x+4)+9=-12

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Solution for 7(x+4)+9=-12 equation: 



7(x+4)+9=-12

We move all terms to the left:

7(x+4)+9-(-12)=0

We add all the numbers together, and all the variables

7(x+4)+21=0

We multiply parentheses

7x+28+21=0

We add all the numbers together, and all the variables

7x+49=0

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

7x=-49

x=-49/7

x=-7

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