2(2x+4)+7=-21

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Solution for 2(2x+4)+7=-21 equation: 



2(2x+4)+7=-21

We move all terms to the left:

2(2x+4)+7-(-21)=0

We add all the numbers together, and all the variables

2(2x+4)+28=0

We multiply parentheses

4x+8+28=0

We add all the numbers together, and all the variables

4x+36=0

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

4x=-36

x=-36/4

x=-9

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