-7(-3x+1)-4=21x-11

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Solution for -7(-3x+1)-4=21x-11 equation: 



-7(-3x+1)-4=21x-11

We move all terms to the left:

-7(-3x+1)-4-(21x-11)=0

We multiply parentheses

21x-(21x-11)-7-4=0

We get rid of parentheses

21x-21x+11-7-4=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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