2u+7=-9-2u

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Solution for 2u+7=-9-2u equation: 



2u+7=-9-2u

We move all terms to the left:

2u+7-(-9-2u)=0

We add all the numbers together, and all the variables

2u-(-2u-9)+7=0

We get rid of parentheses

2u+2u+9+7=0

We add all the numbers together, and all the variables

4u+16=0

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

4u=-16

u=-16/4

u=-4

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