3(4x+7)=21x+3-9x+18

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Solution for 3(4x+7)=21x+3-9x+18 equation: 



3(4x+7)=21x+3-9x+18

We move all terms to the left:

3(4x+7)-(21x+3-9x+18)=0

We add all the numbers together, and all the variables

3(4x+7)-(12x+21)=0

We multiply parentheses

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

We get rid of parentheses

12x-12x-21+21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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