3(7x-6)=216

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Solution for 3(7x-6)=216 equation: 



3(7x-6)=216

We move all terms to the left:

3(7x-6)-(216)=0

We multiply parentheses

21x-18-216=0

We add all the numbers together, and all the variables

21x-234=0

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

21x=234

x=234/21

x=11+1/7

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