2+16x=-21-7x

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



2+16x=-21-7x

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

16x+7x+21+2=0

We add all the numbers together, and all the variables

23x+23=0

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

23x=-23

x=-23/23

x=-1

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