2x=7(3x+7)=-20

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Solution for 2x=7(3x+7)=-20 equation: 



2x=7(3x+7)=-20

We move all terms to the left:

2x-(7(3x+7))=0



We calculate terms in parentheses: -(7(3x+7)), so:

7(3x+7)

We multiply parentheses

21x+49

Back to the equation:

-(21x+49)



We get rid of parentheses

2x-21x-49=0

We add all the numbers together, and all the variables

-19x-49=0

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

-19x=49

x=49/-19

x=-2+11/19

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