2x+16=-7x-21

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Solution for 2x+16=-7x-21 equation: 



2x+16=-7x-21

We move all terms to the left:

2x+16-(-7x-21)=0

We get rid of parentheses

2x+7x+21+16=0

We add all the numbers together, and all the variables

9x+37=0

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

9x=-37

x=-37/9

x=-4+1/9

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