3(5+7x)=204

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Solution for 3(5+7x)=204 equation: 



3(5+7x)=204

We move all terms to the left:

3(5+7x)-(204)=0

We add all the numbers together, and all the variables

3(7x+5)-204=0

We multiply parentheses

21x+15-204=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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