3(7x+4)-5=21x+7

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Solution for 3(7x+4)-5=21x+7 equation: 



3(7x+4)-5=21x+7

We move all terms to the left:

3(7x+4)-5-(21x+7)=0

We multiply parentheses

21x-(21x+7)+12-5=0

We get rid of parentheses

21x-21x-7+12-5=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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