-2(9x-21)=

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Solution for -2(9x-21)= equation: 



-2(9x-21)=

We move all terms to the left:

-2(9x-21)-()=0

We add all the numbers together, and all the variables

-2(9x-21)=0

We multiply parentheses

-18x+42=0

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

-18x=-42

x=-42/-18

x=2+1/3

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