(21)(-33)=(-3x)

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Solution for (21)(-33)=(-3x) equation: 



(21)(-33)=(-3x)

We move all terms to the left:

(21)(-33)-((-3x))=0

We add all the numbers together, and all the variables

-((-3x))-693=0



We calculate terms in parentheses: -((-3x)), so:

(-3x)

We get rid of parentheses

-3x

Back to the equation:

-(-3x)



We get rid of parentheses

3x-693=0

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

3x=693

x=693/3

x=231

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