-7(3x-7)=21x-49

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Solution for -7(3x-7)=21x-49 equation: 



-7(3x-7)=21x-49

We move all terms to the left:

-7(3x-7)-(21x-49)=0

We multiply parentheses

-21x-(21x-49)+49=0

We get rid of parentheses

-21x-21x+49+49=0

We add all the numbers together, and all the variables

-42x+98=0

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

-42x=-98

x=-98/-42

x=2+1/3

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