2(x+21)=

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Solution for 2(x+21)= equation: 



2(x+21)=

We move all terms to the left:

2(x+21)-()=0

We add all the numbers together, and all the variables

2(x+21)=0

We multiply parentheses

2x+42=0

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

2x=-42

x=-42/2

x=-21

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