14x-21+7=-2(-6x+-20)

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Solution for 14x-21+7=-2(-6x+-20) equation: 



14x-21+7=-2(-6x+-20)

We move all terms to the left:

14x-21+7-(-2(-6x+-20))=0

We add all the numbers together, and all the variables

14x-(-2(-6x-20))-21+7=0

We add all the numbers together, and all the variables

14x-(-2(-6x-20))-14=0



We calculate terms in parentheses: -(-2(-6x-20)), so:

-2(-6x-20)

We multiply parentheses

12x+40

Back to the equation:

-(12x+40)



We get rid of parentheses

14x-12x-40-14=0

We add all the numbers together, and all the variables

2x-54=0

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

2x=54

x=54/2

x=27

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