3(3+7x)=198

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Solution for 3(3+7x)=198 equation: 



3(3+7x)=198

We move all terms to the left:

3(3+7x)-(198)=0

We add all the numbers together, and all the variables

3(7x+3)-198=0

We multiply parentheses

21x+9-198=0

We add all the numbers together, and all the variables

21x-189=0

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

21x=189

x=189/21

x=9

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