7x+14=21(-x-2)

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Solution for 7x+14=21(-x-2) equation: 



7x+14=21(-x-2)

We move all terms to the left:

7x+14-(21(-x-2))=0

We add all the numbers together, and all the variables

7x-(21(-1x-2))+14=0



We calculate terms in parentheses: -(21(-1x-2)), so:

21(-1x-2)

We multiply parentheses

-21x-42

Back to the equation:

-(-21x-42)



We get rid of parentheses

7x+21x+42+14=0

We add all the numbers together, and all the variables

28x+56=0

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

28x=-56

x=-56/28

x=-2

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